treewide: remove overly broad with cfg
Makes it really hard to follow references and we were being explicit in most places already anyway.
This commit is contained in:
Martin Weinelt
parent
fb56bcf747
commit
a2152f9807
6 changed files with 686 additions and 698 deletions
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@ -163,283 +163,281 @@ let
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in
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{
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config =
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with cfg;
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lib.mkIf enable {
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assertions = [
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config = lib.mkIf cfg.enable {
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assertions = [
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{
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assertion = junkMailboxNumber == 1;
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message = "nixos-mailserver requires exactly one dovecot mailbox with the 'special use' flag set to 'Junk' (${builtins.toString junkMailboxNumber} have been found)";
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}
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];
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warnings =
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lib.optional
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(
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(builtins.length cfg.fullTextSearch.languages > 1)
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&& (builtins.elem "stopwords" cfg.fullTextSearch.filters)
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)
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''
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Using stopwords in `mailserver.fullTextSearch.filters` with multiple
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languages in `mailserver.fullTextSearch.languages` configured WILL
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cause some searches to fail.
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The recommended solution is to NOT use the stopword filter when
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multiple languages are present in the configuration.
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'';
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# for sieve-test. Shelling it in on demand usually doesnt' work, as it reads
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# the global config and tries to open shared libraries configured in there,
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# which are usually not compatible.
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environment.systemPackages = [
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pkgs.dovecot_pigeonhole
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] ++ lib.optional cfg.fullTextSearch.enable pkgs.dovecot-fts-flatcurve;
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# For compatibility with python imaplib
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environment.etc."dovecot/modules".source = "/run/current-system/sw/lib/dovecot/modules";
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services.dovecot2 = {
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enable = true;
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enableImap = cfg.enableImap || cfg.enableImapSsl;
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enablePop3 = cfg.enablePop3 || cfg.enablePop3Ssl;
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enablePAM = false;
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enableQuota = true;
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mailGroup = cfg.vmailGroupName;
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mailUser = cfg.vmailUserName;
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mailLocation = dovecotMaildir;
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sslServerCert = certificatePath;
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sslServerKey = keyPath;
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enableDHE = lib.mkDefault false;
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enableLmtp = true;
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mailPlugins.globally.enable = lib.optionals cfg.fullTextSearch.enable [
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"fts"
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"fts_flatcurve"
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];
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protocols = lib.optional cfg.enableManageSieve "sieve";
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pluginSettings = {
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sieve = "file:${cfg.sieveDirectory}/%{user}/scripts;active=${cfg.sieveDirectory}/%{user}/active.sieve";
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sieve_default = "file:${cfg.sieveDirectory}/%{user}/default.sieve";
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sieve_default_name = "default";
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} // (lib.optionalAttrs cfg.fullTextSearch.enable ftsPluginSettings);
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sieve = {
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extensions = [
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"fileinto"
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];
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scripts.after = builtins.toFile "spam.sieve" ''
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require "fileinto";
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if header :is "X-Spam" "Yes" {
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fileinto "${junkMailboxName}";
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stop;
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}
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'';
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pipeBins = map lib.getExe [
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(pkgs.writeShellScriptBin "rspamd-learn-ham.sh" "exec ${pkgs.rspamd}/bin/rspamc -h /run/rspamd/worker-controller.sock learn_ham")
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(pkgs.writeShellScriptBin "rspamd-learn-spam.sh" "exec ${pkgs.rspamd}/bin/rspamc -h /run/rspamd/worker-controller.sock learn_spam")
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];
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};
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imapsieve.mailbox = [
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{
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assertion = junkMailboxNumber == 1;
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message = "nixos-mailserver requires exactly one dovecot mailbox with the 'special use' flag set to 'Junk' (${builtins.toString junkMailboxNumber} have been found)";
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name = junkMailboxName;
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causes = [
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"COPY"
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"APPEND"
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];
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before = ./dovecot/imap_sieve/report-spam.sieve;
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}
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{
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name = "*";
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from = junkMailboxName;
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causes = [ "COPY" ];
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before = ./dovecot/imap_sieve/report-ham.sieve;
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}
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];
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warnings =
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lib.optional
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(
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(builtins.length cfg.fullTextSearch.languages > 1)
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&& (builtins.elem "stopwords" cfg.fullTextSearch.filters)
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)
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''
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Using stopwords in `mailserver.fullTextSearch.filters` with multiple
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languages in `mailserver.fullTextSearch.languages` configured WILL
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cause some searches to fail.
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mailboxes = cfg.mailboxes;
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The recommended solution is to NOT use the stopword filter when
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multiple languages are present in the configuration.
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'';
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extraConfig = ''
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#Extra Config
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${lib.optionalString cfg.debug ''
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mail_debug = yes
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auth_debug = yes
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verbose_ssl = yes
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''}
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# for sieve-test. Shelling it in on demand usually doesnt' work, as it reads
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# the global config and tries to open shared libraries configured in there,
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# which are usually not compatible.
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environment.systemPackages = [
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pkgs.dovecot_pigeonhole
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] ++ lib.optional cfg.fullTextSearch.enable pkgs.dovecot-fts-flatcurve;
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# For compatibility with python imaplib
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environment.etc."dovecot/modules".source = "/run/current-system/sw/lib/dovecot/modules";
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services.dovecot2 = {
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enable = true;
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enableImap = enableImap || enableImapSsl;
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enablePop3 = enablePop3 || enablePop3Ssl;
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enablePAM = false;
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enableQuota = true;
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mailGroup = vmailGroupName;
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mailUser = vmailUserName;
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mailLocation = dovecotMaildir;
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sslServerCert = certificatePath;
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sslServerKey = keyPath;
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enableDHE = lib.mkDefault false;
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enableLmtp = true;
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mailPlugins.globally.enable = lib.optionals cfg.fullTextSearch.enable [
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"fts"
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"fts_flatcurve"
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];
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protocols = lib.optional cfg.enableManageSieve "sieve";
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pluginSettings = {
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sieve = "file:${cfg.sieveDirectory}/%{user}/scripts;active=${cfg.sieveDirectory}/%{user}/active.sieve";
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sieve_default = "file:${cfg.sieveDirectory}/%{user}/default.sieve";
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sieve_default_name = "default";
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} // (lib.optionalAttrs cfg.fullTextSearch.enable ftsPluginSettings);
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sieve = {
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extensions = [
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"fileinto"
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];
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scripts.after = builtins.toFile "spam.sieve" ''
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require "fileinto";
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if header :is "X-Spam" "Yes" {
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fileinto "${junkMailboxName}";
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stop;
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}
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'';
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pipeBins = map lib.getExe [
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(pkgs.writeShellScriptBin "rspamd-learn-ham.sh" "exec ${pkgs.rspamd}/bin/rspamc -h /run/rspamd/worker-controller.sock learn_ham")
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(pkgs.writeShellScriptBin "rspamd-learn-spam.sh" "exec ${pkgs.rspamd}/bin/rspamc -h /run/rspamd/worker-controller.sock learn_spam")
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];
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};
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imapsieve.mailbox = [
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{
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name = junkMailboxName;
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causes = [
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"COPY"
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"APPEND"
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];
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before = ./dovecot/imap_sieve/report-spam.sieve;
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}
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{
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name = "*";
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from = junkMailboxName;
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causes = [ "COPY" ];
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before = ./dovecot/imap_sieve/report-ham.sieve;
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}
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];
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mailboxes = cfg.mailboxes;
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extraConfig = ''
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#Extra Config
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${lib.optionalString debug ''
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mail_debug = yes
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auth_debug = yes
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verbose_ssl = yes
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''}
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${lib.optionalString (cfg.enableImap || cfg.enableImapSsl) ''
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service imap-login {
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inet_listener imap {
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${
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if cfg.enableImap then
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''
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port = 143
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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}
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inet_listener imaps {
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${
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if cfg.enableImapSsl then
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''
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port = 993
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ssl = yes
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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${lib.optionalString (cfg.enableImap || cfg.enableImapSsl) ''
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service imap-login {
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inet_listener imap {
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${
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if cfg.enableImap then
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''
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port = 143
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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}
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''}
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${lib.optionalString (cfg.enablePop3 || cfg.enablePop3Ssl) ''
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service pop3-login {
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inet_listener pop3 {
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${
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if cfg.enablePop3 then
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''
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port = 110
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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}
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inet_listener pop3s {
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${
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if cfg.enablePop3Ssl then
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''
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port = 995
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ssl = yes
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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inet_listener imaps {
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${
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if cfg.enableImapSsl then
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''
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port = 993
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ssl = yes
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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}
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''}
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protocol imap {
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mail_max_userip_connections = ${toString cfg.maxConnectionsPerUser}
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mail_plugins = $mail_plugins imap_sieve
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}
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service imap {
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vsz_limit = ${builtins.toString cfg.imapMemoryLimit} MB
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}
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protocol pop3 {
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mail_max_userip_connections = ${toString cfg.maxConnectionsPerUser}
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}
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mail_access_groups = ${vmailGroupName}
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# https://ssl-config.mozilla.org/#server=dovecot&version=2.3.21&config=intermediate&openssl=3.4.1&guideline=5.7
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ssl = required
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ssl_min_protocol = TLSv1.2
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ssl_prefer_server_ciphers = no
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ssl_curve_list = X25519:prime256v1:secp384r1
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service lmtp {
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unix_listener dovecot-lmtp {
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group = ${postfixCfg.group}
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mode = 0600
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user = ${postfixCfg.user}
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''}
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${lib.optionalString (cfg.enablePop3 || cfg.enablePop3Ssl) ''
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service pop3-login {
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inet_listener pop3 {
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${
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if cfg.enablePop3 then
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''
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port = 110
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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}
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vsz_limit = ${builtins.toString cfg.lmtpMemoryLimit} MB
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}
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service quota-status {
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inet_listener {
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port = 0
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inet_listener pop3s {
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${
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if cfg.enablePop3Ssl then
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''
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port = 995
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ssl = yes
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''
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else
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''
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# see https://dovecot.org/pipermail/dovecot/2010-March/047479.html
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port = 0
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''
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}
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}
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unix_listener quota-status {
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user = postfix
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}
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vsz_limit = ${builtins.toString cfg.quotaStatusMemoryLimit} MB
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}
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''}
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recipient_delimiter = ${cfg.recipientDelimiter}
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lmtp_save_to_detail_mailbox = ${cfg.lmtpSaveToDetailMailbox}
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protocol imap {
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mail_max_userip_connections = ${toString cfg.maxConnectionsPerUser}
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mail_plugins = $mail_plugins imap_sieve
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}
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protocol lmtp {
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mail_plugins = $mail_plugins sieve
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service imap {
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vsz_limit = ${builtins.toString cfg.imapMemoryLimit} MB
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}
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protocol pop3 {
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mail_max_userip_connections = ${toString cfg.maxConnectionsPerUser}
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}
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mail_access_groups = ${cfg.vmailGroupName}
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# https://ssl-config.mozilla.org/#server=dovecot&version=2.3.21&config=intermediate&openssl=3.4.1&guideline=5.7
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ssl = required
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ssl_min_protocol = TLSv1.2
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ssl_prefer_server_ciphers = no
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ssl_curve_list = X25519:prime256v1:secp384r1
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service lmtp {
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unix_listener dovecot-lmtp {
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group = ${postfixCfg.group}
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mode = 0600
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user = ${postfixCfg.user}
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}
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vsz_limit = ${builtins.toString cfg.lmtpMemoryLimit} MB
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}
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service quota-status {
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inet_listener {
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port = 0
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}
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unix_listener quota-status {
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user = postfix
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}
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vsz_limit = ${builtins.toString cfg.quotaStatusMemoryLimit} MB
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}
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recipient_delimiter = ${cfg.recipientDelimiter}
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lmtp_save_to_detail_mailbox = ${cfg.lmtpSaveToDetailMailbox}
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protocol lmtp {
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mail_plugins = $mail_plugins sieve
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}
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passdb {
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driver = passwd-file
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args = ${passwdFile}
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}
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userdb {
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driver = passwd-file
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args = ${userdbFile}
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default_fields = uid=${builtins.toString cfg.vmailUID} gid=${builtins.toString cfg.vmailUID} home=${cfg.mailDirectory}
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}
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${lib.optionalString cfg.ldap.enable ''
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passdb {
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driver = passwd-file
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args = ${passwdFile}
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driver = ldap
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args = ${ldapConfFile}
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}
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userdb {
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driver = passwd-file
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args = ${userdbFile}
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default_fields = uid=${builtins.toString cfg.vmailUID} gid=${builtins.toString cfg.vmailUID} home=${cfg.mailDirectory}
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driver = ldap
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args = ${ldapConfFile}
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default_fields = home=${cfg.mailDirectory}/ldap/%{user} uid=${toString cfg.vmailUID} gid=${toString cfg.vmailUID}
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}
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''}
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${lib.optionalString cfg.ldap.enable ''
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passdb {
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driver = ldap
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args = ${ldapConfFile}
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}
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userdb {
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driver = ldap
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args = ${ldapConfFile}
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default_fields = home=${cfg.mailDirectory}/ldap/%{user} uid=${toString cfg.vmailUID} gid=${toString cfg.vmailUID}
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}
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''}
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service auth {
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unix_listener auth {
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mode = 0660
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user = ${postfixCfg.user}
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group = ${postfixCfg.group}
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}
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service auth {
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unix_listener auth {
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mode = 0660
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user = ${postfixCfg.user}
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group = ${postfixCfg.group}
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}
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}
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auth_mechanisms = plain login
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auth_mechanisms = plain login
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namespace inbox {
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separator = ${cfg.hierarchySeparator}
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inbox = yes
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}
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namespace inbox {
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separator = ${cfg.hierarchySeparator}
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inbox = yes
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}
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service indexer-worker {
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${lib.optionalString (cfg.fullTextSearch.memoryLimit != null) ''
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vsz_limit = ${toString (cfg.fullTextSearch.memoryLimit * 1024 * 1024)}
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''}
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}
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service indexer-worker {
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${lib.optionalString (cfg.fullTextSearch.memoryLimit != null) ''
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vsz_limit = ${toString (cfg.fullTextSearch.memoryLimit * 1024 * 1024)}
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''}
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}
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lda_mailbox_autosubscribe = yes
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lda_mailbox_autocreate = yes
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'';
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};
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systemd.services.dovecot2 = {
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preStart =
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''
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${genPasswdScript}
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''
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+ (lib.optionalString cfg.ldap.enable setPwdInLdapConfFile);
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};
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systemd.services.postfix.restartTriggers = [
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genPasswdScript
|
||||
] ++ (lib.optional cfg.ldap.enable [ setPwdInLdapConfFile ]);
|
||||
lda_mailbox_autosubscribe = yes
|
||||
lda_mailbox_autocreate = yes
|
||||
'';
|
||||
};
|
||||
|
||||
systemd.services.dovecot2 = {
|
||||
preStart =
|
||||
''
|
||||
${genPasswdScript}
|
||||
''
|
||||
+ (lib.optionalString cfg.ldap.enable setPwdInLdapConfFile);
|
||||
};
|
||||
|
||||
systemd.services.postfix.restartTriggers = [
|
||||
genPasswdScript
|
||||
] ++ (lib.optional cfg.ldap.enable [ setPwdInLdapConfFile ]);
|
||||
};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -25,17 +25,15 @@ let
|
|||
cfg = config.mailserver;
|
||||
in
|
||||
{
|
||||
config =
|
||||
with cfg;
|
||||
lib.mkIf enable {
|
||||
environment.systemPackages =
|
||||
with pkgs;
|
||||
[
|
||||
dovecot
|
||||
openssh
|
||||
postfix
|
||||
rspamd
|
||||
]
|
||||
++ (if certificateScheme == "selfsigned" then [ openssl ] else [ ]);
|
||||
};
|
||||
config = lib.mkIf cfg.enable {
|
||||
environment.systemPackages =
|
||||
with pkgs;
|
||||
[
|
||||
dovecot
|
||||
openssh
|
||||
postfix
|
||||
rspamd
|
||||
]
|
||||
++ (if cfg.certificateScheme == "selfsigned" then [ openssl ] else [ ]);
|
||||
};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,21 +20,19 @@ let
|
|||
cfg = config.mailserver;
|
||||
in
|
||||
{
|
||||
config =
|
||||
with cfg;
|
||||
lib.mkIf (enable && openFirewall) {
|
||||
config = lib.mkIf (cfg.enable && cfg.openFirewall) {
|
||||
|
||||
networking.firewall = {
|
||||
allowedTCPPorts =
|
||||
[ 25 ]
|
||||
++ lib.optional enableSubmission 587
|
||||
++ lib.optional enableSubmissionSsl 465
|
||||
++ lib.optional enableImap 143
|
||||
++ lib.optional enableImapSsl 993
|
||||
++ lib.optional enablePop3 110
|
||||
++ lib.optional enablePop3Ssl 995
|
||||
++ lib.optional enableManageSieve 4190
|
||||
++ lib.optional (certificateScheme == "acme-nginx") 80;
|
||||
};
|
||||
networking.firewall = {
|
||||
allowedTCPPorts =
|
||||
[ 25 ]
|
||||
++ lib.optional cfg.enableSubmission 587
|
||||
++ lib.optional cfg.enableSubmissionSsl 465
|
||||
++ lib.optional cfg.enableImap 143
|
||||
++ lib.optional cfg.enableImapSsl 993
|
||||
++ lib.optional cfg.enablePop3 110
|
||||
++ lib.optional cfg.enablePop3Ssl 995
|
||||
++ lib.optional cfg.enableManageSieve 4190
|
||||
++ lib.optional (cfg.certificateScheme == "acme-nginx") 80;
|
||||
};
|
||||
};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -233,183 +233,181 @@ let
|
|||
};
|
||||
in
|
||||
{
|
||||
config =
|
||||
with cfg;
|
||||
lib.mkIf enable {
|
||||
config = lib.mkIf cfg.enable {
|
||||
|
||||
systemd.services.postfix-setup = lib.mkIf cfg.ldap.enable {
|
||||
preStart = ''
|
||||
${appendPwdInVirtualMailboxMap}
|
||||
${appendPwdInSenderLoginMap}
|
||||
'';
|
||||
restartTriggers = [
|
||||
appendPwdInVirtualMailboxMap
|
||||
appendPwdInSenderLoginMap
|
||||
systemd.services.postfix-setup = lib.mkIf cfg.ldap.enable {
|
||||
preStart = ''
|
||||
${appendPwdInVirtualMailboxMap}
|
||||
${appendPwdInSenderLoginMap}
|
||||
'';
|
||||
restartTriggers = [
|
||||
appendPwdInVirtualMailboxMap
|
||||
appendPwdInSenderLoginMap
|
||||
];
|
||||
};
|
||||
|
||||
services.postfix = {
|
||||
enable = true;
|
||||
hostname = "${cfg.sendingFqdn}";
|
||||
networksStyle = "host";
|
||||
mapFiles."valias" = valiases_file;
|
||||
mapFiles."regex_valias" = regex_valiases_file;
|
||||
mapFiles."vaccounts" = vaccounts_file;
|
||||
mapFiles."regex_vaccounts" = regex_vaccounts_file;
|
||||
mapFiles."denied_recipients" = denied_recipients_file;
|
||||
mapFiles."reject_senders" = reject_senders_file;
|
||||
mapFiles."reject_recipients" = reject_recipients_file;
|
||||
enableSubmission = cfg.enableSubmission;
|
||||
enableSubmissions = cfg.enableSubmissionSsl;
|
||||
virtual = lookupTableToString (mergeLookupTables [
|
||||
all_valiases_postfix
|
||||
catchAllPostfix
|
||||
forwards
|
||||
]);
|
||||
|
||||
config = {
|
||||
smtpd_tls_chain_files = [
|
||||
"${keyPath}"
|
||||
"${certificatePath}"
|
||||
];
|
||||
|
||||
# Extra Config
|
||||
mydestination = "";
|
||||
recipient_delimiter = cfg.recipientDelimiter;
|
||||
smtpd_banner = "${cfg.fqdn} ESMTP NO UCE";
|
||||
disable_vrfy_command = true;
|
||||
message_size_limit = toString cfg.messageSizeLimit;
|
||||
|
||||
# virtual mail system
|
||||
virtual_uid_maps = "static:5000";
|
||||
virtual_gid_maps = "static:5000";
|
||||
virtual_mailbox_base = cfg.mailDirectory;
|
||||
virtual_mailbox_domains = vhosts_file;
|
||||
virtual_mailbox_maps =
|
||||
[
|
||||
(mappedFile "valias")
|
||||
]
|
||||
++ lib.optionals cfg.ldap.enable [
|
||||
"ldap:${ldapVirtualMailboxMapFile}"
|
||||
]
|
||||
++ lib.optionals (regex_valiases_postfix != { }) [
|
||||
(mappedRegexFile "regex_valias")
|
||||
];
|
||||
virtual_alias_maps = lib.mkAfter (
|
||||
lib.optionals (regex_valiases_postfix != { }) [
|
||||
(mappedRegexFile "regex_valias")
|
||||
]
|
||||
);
|
||||
virtual_transport = "lmtp:unix:/run/dovecot2/dovecot-lmtp";
|
||||
# Avoid leakage of X-Original-To, X-Delivered-To headers between recipients
|
||||
lmtp_destination_recipient_limit = "1";
|
||||
|
||||
# sasl with dovecot
|
||||
smtpd_sasl_type = "dovecot";
|
||||
smtpd_sasl_path = "/run/dovecot2/auth";
|
||||
smtpd_sasl_auth_enable = true;
|
||||
smtpd_relay_restrictions = [
|
||||
"permit_mynetworks"
|
||||
"permit_sasl_authenticated"
|
||||
"reject_unauth_destination"
|
||||
];
|
||||
|
||||
# reject selected senders
|
||||
smtpd_sender_restrictions = [
|
||||
"check_sender_access ${mappedFile "reject_senders"}"
|
||||
];
|
||||
|
||||
smtpd_recipient_restrictions = [
|
||||
# reject selected recipients
|
||||
"check_recipient_access ${mappedFile "denied_recipients"}"
|
||||
"check_recipient_access ${mappedFile "reject_recipients"}"
|
||||
# quota checking
|
||||
"check_policy_service unix:/run/dovecot2/quota-status"
|
||||
];
|
||||
|
||||
# TLS for incoming mail is optional
|
||||
smtpd_tls_security_level = "may";
|
||||
|
||||
# But required for authentication attempts
|
||||
smtpd_tls_auth_only = true;
|
||||
|
||||
# TLS versions supported for the SMTP server
|
||||
smtpd_tls_protocols = ">=TLSv1.2";
|
||||
smtpd_tls_mandatory_protocols = ">=TLSv1.2";
|
||||
|
||||
# Require ciphersuites that OpenSSL classifies as "High"
|
||||
smtpd_tls_ciphers = "high";
|
||||
smtpd_tls_mandatory_ciphers = "high";
|
||||
|
||||
# Exclude cipher suites with undesirable properties
|
||||
smtpd_tls_exclude_ciphers = "eNULL, aNULL";
|
||||
smtpd_tls_mandatory_exclude_ciphers = "eNULL, aNULL";
|
||||
|
||||
# Opportunistic DANE support when delivering mail to other servers
|
||||
# https://www.postfix.org/postconf.5.html#smtp_tls_security_level
|
||||
smtp_dns_support_level = "dnssec";
|
||||
smtp_tls_security_level = "dane";
|
||||
|
||||
# TLS versions supported for the SMTP client
|
||||
smtp_tls_protocols = ">=TLSv1.2";
|
||||
smtp_tls_mandatory_protocols = ">=TLSv1.2";
|
||||
|
||||
# Require ciphersuites that OpenSSL classifies as "High"
|
||||
smtp_tls_ciphers = "high";
|
||||
smtp_tls_mandatory_ciphers = "high";
|
||||
|
||||
# Exclude ciphersuites with undesirable properties
|
||||
smtp_tls_exclude_ciphers = "eNULL, aNULL";
|
||||
smtp_tls_mandatory_exclude_ciphers = "eNULL, aNULL";
|
||||
|
||||
# Restrict and prioritize the following curves in the given order
|
||||
# Excludes curves that have no widespread support, so we don't bloat the handshake needlessly.
|
||||
# https://www.postfix.org/postconf.5.html#tls_eecdh_auto_curves
|
||||
# https://ssl-config.mozilla.org/#server=postfix&version=3.10&config=intermediate&openssl=3.4.1&guideline=5.7
|
||||
tls_eecdh_auto_curves = [
|
||||
"X25519"
|
||||
"prime256v1"
|
||||
"secp384r1"
|
||||
];
|
||||
|
||||
# Disable FFDHE on TLSv1.3 because it is slower than elliptic curves
|
||||
# https://www.postfix.org/postconf.5.html#tls_ffdhe_auto_groups
|
||||
tls_ffdhe_auto_groups = [ ];
|
||||
|
||||
# As long as all cipher suites are considered safe, let the client use its preferred cipher
|
||||
tls_preempt_cipherlist = false;
|
||||
|
||||
# Log only a summary message on TLS handshake completion
|
||||
smtp_tls_loglevel = "1";
|
||||
smtpd_tls_loglevel = "1";
|
||||
|
||||
smtpd_milters = smtpdMilters;
|
||||
non_smtpd_milters = lib.mkIf cfg.dkimSigning [ "unix:/run/rspamd/rspamd-milter.sock" ];
|
||||
milter_protocol = "6";
|
||||
milter_mail_macros = "i {mail_addr} {client_addr} {client_name} {auth_authen}";
|
||||
};
|
||||
|
||||
services.postfix = {
|
||||
enable = true;
|
||||
hostname = "${sendingFqdn}";
|
||||
networksStyle = "host";
|
||||
mapFiles."valias" = valiases_file;
|
||||
mapFiles."regex_valias" = regex_valiases_file;
|
||||
mapFiles."vaccounts" = vaccounts_file;
|
||||
mapFiles."regex_vaccounts" = regex_vaccounts_file;
|
||||
mapFiles."denied_recipients" = denied_recipients_file;
|
||||
mapFiles."reject_senders" = reject_senders_file;
|
||||
mapFiles."reject_recipients" = reject_recipients_file;
|
||||
enableSubmission = cfg.enableSubmission;
|
||||
enableSubmissions = cfg.enableSubmissionSsl;
|
||||
virtual = lookupTableToString (mergeLookupTables [
|
||||
all_valiases_postfix
|
||||
catchAllPostfix
|
||||
forwards
|
||||
]);
|
||||
submissionOptions = submissionOptions;
|
||||
submissionsOptions = submissionOptions;
|
||||
|
||||
config = {
|
||||
smtpd_tls_chain_files = [
|
||||
"${keyPath}"
|
||||
"${certificatePath}"
|
||||
];
|
||||
|
||||
# Extra Config
|
||||
mydestination = "";
|
||||
recipient_delimiter = cfg.recipientDelimiter;
|
||||
smtpd_banner = "${fqdn} ESMTP NO UCE";
|
||||
disable_vrfy_command = true;
|
||||
message_size_limit = toString cfg.messageSizeLimit;
|
||||
|
||||
# virtual mail system
|
||||
virtual_uid_maps = "static:5000";
|
||||
virtual_gid_maps = "static:5000";
|
||||
virtual_mailbox_base = mailDirectory;
|
||||
virtual_mailbox_domains = vhosts_file;
|
||||
virtual_mailbox_maps =
|
||||
[
|
||||
(mappedFile "valias")
|
||||
]
|
||||
++ lib.optionals cfg.ldap.enable [
|
||||
"ldap:${ldapVirtualMailboxMapFile}"
|
||||
]
|
||||
++ lib.optionals (regex_valiases_postfix != { }) [
|
||||
(mappedRegexFile "regex_valias")
|
||||
];
|
||||
virtual_alias_maps = lib.mkAfter (
|
||||
lib.optionals (regex_valiases_postfix != { }) [
|
||||
(mappedRegexFile "regex_valias")
|
||||
]
|
||||
);
|
||||
virtual_transport = "lmtp:unix:/run/dovecot2/dovecot-lmtp";
|
||||
# Avoid leakage of X-Original-To, X-Delivered-To headers between recipients
|
||||
lmtp_destination_recipient_limit = "1";
|
||||
|
||||
# sasl with dovecot
|
||||
smtpd_sasl_type = "dovecot";
|
||||
smtpd_sasl_path = "/run/dovecot2/auth";
|
||||
smtpd_sasl_auth_enable = true;
|
||||
smtpd_relay_restrictions = [
|
||||
"permit_mynetworks"
|
||||
"permit_sasl_authenticated"
|
||||
"reject_unauth_destination"
|
||||
];
|
||||
|
||||
# reject selected senders
|
||||
smtpd_sender_restrictions = [
|
||||
"check_sender_access ${mappedFile "reject_senders"}"
|
||||
];
|
||||
|
||||
smtpd_recipient_restrictions = [
|
||||
# reject selected recipients
|
||||
"check_recipient_access ${mappedFile "denied_recipients"}"
|
||||
"check_recipient_access ${mappedFile "reject_recipients"}"
|
||||
# quota checking
|
||||
"check_policy_service unix:/run/dovecot2/quota-status"
|
||||
];
|
||||
|
||||
# TLS for incoming mail is optional
|
||||
smtpd_tls_security_level = "may";
|
||||
|
||||
# But required for authentication attempts
|
||||
smtpd_tls_auth_only = true;
|
||||
|
||||
# TLS versions supported for the SMTP server
|
||||
smtpd_tls_protocols = ">=TLSv1.2";
|
||||
smtpd_tls_mandatory_protocols = ">=TLSv1.2";
|
||||
|
||||
# Require ciphersuites that OpenSSL classifies as "High"
|
||||
smtpd_tls_ciphers = "high";
|
||||
smtpd_tls_mandatory_ciphers = "high";
|
||||
|
||||
# Exclude cipher suites with undesirable properties
|
||||
smtpd_tls_exclude_ciphers = "eNULL, aNULL";
|
||||
smtpd_tls_mandatory_exclude_ciphers = "eNULL, aNULL";
|
||||
|
||||
# Opportunistic DANE support when delivering mail to other servers
|
||||
# https://www.postfix.org/postconf.5.html#smtp_tls_security_level
|
||||
smtp_dns_support_level = "dnssec";
|
||||
smtp_tls_security_level = "dane";
|
||||
|
||||
# TLS versions supported for the SMTP client
|
||||
smtp_tls_protocols = ">=TLSv1.2";
|
||||
smtp_tls_mandatory_protocols = ">=TLSv1.2";
|
||||
|
||||
# Require ciphersuites that OpenSSL classifies as "High"
|
||||
smtp_tls_ciphers = "high";
|
||||
smtp_tls_mandatory_ciphers = "high";
|
||||
|
||||
# Exclude ciphersuites with undesirable properties
|
||||
smtp_tls_exclude_ciphers = "eNULL, aNULL";
|
||||
smtp_tls_mandatory_exclude_ciphers = "eNULL, aNULL";
|
||||
|
||||
# Restrict and prioritize the following curves in the given order
|
||||
# Excludes curves that have no widespread support, so we don't bloat the handshake needlessly.
|
||||
# https://www.postfix.org/postconf.5.html#tls_eecdh_auto_curves
|
||||
# https://ssl-config.mozilla.org/#server=postfix&version=3.10&config=intermediate&openssl=3.4.1&guideline=5.7
|
||||
tls_eecdh_auto_curves = [
|
||||
"X25519"
|
||||
"prime256v1"
|
||||
"secp384r1"
|
||||
];
|
||||
|
||||
# Disable FFDHE on TLSv1.3 because it is slower than elliptic curves
|
||||
# https://www.postfix.org/postconf.5.html#tls_ffdhe_auto_groups
|
||||
tls_ffdhe_auto_groups = [ ];
|
||||
|
||||
# As long as all cipher suites are considered safe, let the client use its preferred cipher
|
||||
tls_preempt_cipherlist = false;
|
||||
|
||||
# Log only a summary message on TLS handshake completion
|
||||
smtp_tls_loglevel = "1";
|
||||
smtpd_tls_loglevel = "1";
|
||||
|
||||
smtpd_milters = smtpdMilters;
|
||||
non_smtpd_milters = lib.mkIf cfg.dkimSigning [ "unix:/run/rspamd/rspamd-milter.sock" ];
|
||||
milter_protocol = "6";
|
||||
milter_mail_macros = "i {mail_addr} {client_addr} {client_name} {auth_authen}";
|
||||
masterConfig = {
|
||||
"lmtp" = {
|
||||
# Add headers when delivering, see http://www.postfix.org/smtp.8.html
|
||||
# D => Delivered-To, O => X-Original-To, R => Return-Path
|
||||
args = [ "flags=O" ];
|
||||
};
|
||||
|
||||
submissionOptions = submissionOptions;
|
||||
submissionsOptions = submissionOptions;
|
||||
|
||||
masterConfig = {
|
||||
"lmtp" = {
|
||||
# Add headers when delivering, see http://www.postfix.org/smtp.8.html
|
||||
# D => Delivered-To, O => X-Original-To, R => Return-Path
|
||||
args = [ "flags=O" ];
|
||||
};
|
||||
"submission-header-cleanup" = {
|
||||
type = "unix";
|
||||
private = false;
|
||||
chroot = false;
|
||||
maxproc = 0;
|
||||
command = "cleanup";
|
||||
args = [
|
||||
"-o"
|
||||
"header_checks=pcre:${submissionHeaderCleanupRules}"
|
||||
];
|
||||
};
|
||||
"submission-header-cleanup" = {
|
||||
type = "unix";
|
||||
private = false;
|
||||
chroot = false;
|
||||
maxproc = 0;
|
||||
command = "cleanup";
|
||||
args = [
|
||||
"-o"
|
||||
"header_checks=pcre:${submissionHeaderCleanupRules}"
|
||||
];
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -52,223 +52,221 @@ let
|
|||
'';
|
||||
in
|
||||
{
|
||||
config =
|
||||
with cfg;
|
||||
lib.mkIf enable {
|
||||
environment.systemPackages = lib.mkBefore [
|
||||
(pkgs.runCommand "rspamc-wrapped"
|
||||
{
|
||||
nativeBuildInputs = with pkgs; [ makeWrapper ];
|
||||
}
|
||||
''
|
||||
makeWrapper ${pkgs.rspamd}/bin/rspamc $out/bin/rspamc \
|
||||
--add-flags "-h /run/rspamd/worker-controller.sock"
|
||||
''
|
||||
)
|
||||
];
|
||||
config = lib.mkIf cfg.enable {
|
||||
environment.systemPackages = lib.mkBefore [
|
||||
(pkgs.runCommand "rspamc-wrapped"
|
||||
{
|
||||
nativeBuildInputs = with pkgs; [ makeWrapper ];
|
||||
}
|
||||
''
|
||||
makeWrapper ${pkgs.rspamd}/bin/rspamc $out/bin/rspamc \
|
||||
--add-flags "-h /run/rspamd/worker-controller.sock"
|
||||
''
|
||||
)
|
||||
];
|
||||
|
||||
services.rspamd = {
|
||||
enable = true;
|
||||
inherit debug;
|
||||
locals = {
|
||||
"milter_headers.conf" = {
|
||||
text = ''
|
||||
extended_spam_headers = true;
|
||||
'';
|
||||
};
|
||||
"redis.conf" = {
|
||||
text =
|
||||
''
|
||||
servers = "${
|
||||
if cfg.redis.port == null then
|
||||
cfg.redis.address
|
||||
else
|
||||
"${cfg.redis.address}:${toString cfg.redis.port}"
|
||||
}";
|
||||
''
|
||||
+ (lib.optionalString (cfg.redis.password != null) ''
|
||||
password = "${cfg.redis.password}";
|
||||
'');
|
||||
};
|
||||
"classifier-bayes.conf" = {
|
||||
text = ''
|
||||
cache {
|
||||
backend = "redis";
|
||||
}
|
||||
'';
|
||||
};
|
||||
"antivirus.conf" = lib.mkIf cfg.virusScanning {
|
||||
text = ''
|
||||
clamav {
|
||||
action = "reject";
|
||||
symbol = "CLAM_VIRUS";
|
||||
type = "clamav";
|
||||
log_clean = true;
|
||||
servers = "/run/clamav/clamd.ctl";
|
||||
scan_mime_parts = false; # scan mail as a whole unit, not parts. seems to be needed to work at all
|
||||
}
|
||||
'';
|
||||
};
|
||||
"dkim_signing.conf" = {
|
||||
text = ''
|
||||
enabled = ${lib.boolToString cfg.dkimSigning};
|
||||
path = "${cfg.dkimKeyDirectory}/$domain.$selector.key";
|
||||
selector = "${cfg.dkimSelector}";
|
||||
# Allow for usernames w/o domain part
|
||||
allow_username_mismatch = true
|
||||
'';
|
||||
};
|
||||
"dmarc.conf" = {
|
||||
text = ''
|
||||
${lib.optionalString cfg.dmarcReporting.enable ''
|
||||
reporting {
|
||||
enabled = true;
|
||||
email = "${cfg.dmarcReporting.email}";
|
||||
domain = "${cfg.dmarcReporting.domain}";
|
||||
org_name = "${cfg.dmarcReporting.organizationName}";
|
||||
from_name = "${cfg.dmarcReporting.fromName}";
|
||||
msgid_from = "${cfg.dmarcReporting.domain}";
|
||||
${lib.optionalString (cfg.dmarcReporting.excludeDomains != [ ]) ''
|
||||
exclude_domains = ${builtins.toJSON cfg.dmarcReporting.excludeDomains};
|
||||
''}
|
||||
}''}
|
||||
'';
|
||||
};
|
||||
services.rspamd = {
|
||||
enable = true;
|
||||
inherit (cfg) debug;
|
||||
locals = {
|
||||
"milter_headers.conf" = {
|
||||
text = ''
|
||||
extended_spam_headers = true;
|
||||
'';
|
||||
};
|
||||
|
||||
workers.rspamd_proxy = {
|
||||
type = "rspamd_proxy";
|
||||
bindSockets = [
|
||||
{
|
||||
socket = "/run/rspamd/rspamd-milter.sock";
|
||||
mode = "0664";
|
||||
}
|
||||
];
|
||||
count = 1; # Do not spawn too many processes of this type
|
||||
extraConfig = ''
|
||||
milter = yes; # Enable milter mode
|
||||
timeout = 120s; # Needed for Milter usually
|
||||
|
||||
upstream "local" {
|
||||
default = yes; # Self-scan upstreams are always default
|
||||
self_scan = yes; # Enable self-scan
|
||||
"redis.conf" = {
|
||||
text =
|
||||
''
|
||||
servers = "${
|
||||
if cfg.redis.port == null then
|
||||
cfg.redis.address
|
||||
else
|
||||
"${cfg.redis.address}:${toString cfg.redis.port}"
|
||||
}";
|
||||
''
|
||||
+ (lib.optionalString (cfg.redis.password != null) ''
|
||||
password = "${cfg.redis.password}";
|
||||
'');
|
||||
};
|
||||
"classifier-bayes.conf" = {
|
||||
text = ''
|
||||
cache {
|
||||
backend = "redis";
|
||||
}
|
||||
'';
|
||||
};
|
||||
workers.controller = {
|
||||
type = "controller";
|
||||
count = 1;
|
||||
bindSockets = [
|
||||
{
|
||||
socket = "/run/rspamd/worker-controller.sock";
|
||||
mode = "0666";
|
||||
"antivirus.conf" = lib.mkIf cfg.virusScanning {
|
||||
text = ''
|
||||
clamav {
|
||||
action = "reject";
|
||||
symbol = "CLAM_VIRUS";
|
||||
type = "clamav";
|
||||
log_clean = true;
|
||||
servers = "/run/clamav/clamd.ctl";
|
||||
scan_mime_parts = false; # scan mail as a whole unit, not parts. seems to be needed to work at all
|
||||
}
|
||||
];
|
||||
includes = [ ];
|
||||
extraConfig = ''
|
||||
static_dir = "''${WWWDIR}"; # Serve the web UI static assets
|
||||
'';
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
services.redis.servers.rspamd.enable = lib.mkDefault true;
|
||||
|
||||
systemd.tmpfiles.settings."10-rspamd.conf" = {
|
||||
"${cfg.dkimKeyDirectory}" = {
|
||||
d = {
|
||||
# Create /var/dkim owned by rspamd user/group
|
||||
user = rspamdUser;
|
||||
group = rspamdGroup;
|
||||
};
|
||||
Z = {
|
||||
# Recursively adjust permissions in /var/dkim
|
||||
user = rspamdUser;
|
||||
group = rspamdGroup;
|
||||
};
|
||||
"dkim_signing.conf" = {
|
||||
text = ''
|
||||
enabled = ${lib.boolToString cfg.dkimSigning};
|
||||
path = "${cfg.dkimKeyDirectory}/$domain.$selector.key";
|
||||
selector = "${cfg.dkimSelector}";
|
||||
# Allow for usernames w/o domain part
|
||||
allow_username_mismatch = true
|
||||
'';
|
||||
};
|
||||
"dmarc.conf" = {
|
||||
text = ''
|
||||
${lib.optionalString cfg.dmarcReporting.enable ''
|
||||
reporting {
|
||||
enabled = true;
|
||||
email = "${cfg.dmarcReporting.email}";
|
||||
domain = "${cfg.dmarcReporting.domain}";
|
||||
org_name = "${cfg.dmarcReporting.organizationName}";
|
||||
from_name = "${cfg.dmarcReporting.fromName}";
|
||||
msgid_from = "${cfg.dmarcReporting.domain}";
|
||||
${lib.optionalString (cfg.dmarcReporting.excludeDomains != [ ]) ''
|
||||
exclude_domains = ${builtins.toJSON cfg.dmarcReporting.excludeDomains};
|
||||
''}
|
||||
}''}
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
systemd.services.rspamd = {
|
||||
requires = [ "redis-rspamd.service" ] ++ (lib.optional cfg.virusScanning "clamav-daemon.service");
|
||||
after = [ "redis-rspamd.service" ] ++ (lib.optional cfg.virusScanning "clamav-daemon.service");
|
||||
serviceConfig = lib.mkMerge [
|
||||
workers.rspamd_proxy = {
|
||||
type = "rspamd_proxy";
|
||||
bindSockets = [
|
||||
{
|
||||
SupplementaryGroups = [ config.services.redis.servers.rspamd.group ];
|
||||
socket = "/run/rspamd/rspamd-milter.sock";
|
||||
mode = "0664";
|
||||
}
|
||||
(lib.optionalAttrs cfg.dkimSigning {
|
||||
ExecStartPre = map createDkimKeypair cfg.domains;
|
||||
ReadWritePaths = [ cfg.dkimKeyDirectory ];
|
||||
})
|
||||
];
|
||||
};
|
||||
count = 1; # Do not spawn too many processes of this type
|
||||
extraConfig = ''
|
||||
milter = yes; # Enable milter mode
|
||||
timeout = 120s; # Needed for Milter usually
|
||||
|
||||
systemd.services.rspamd-dmarc-reporter = lib.optionalAttrs cfg.dmarcReporting.enable {
|
||||
# Explicitly select yesterday's date to work around broken
|
||||
# default behaviour when called without a date.
|
||||
# https://github.com/rspamd/rspamd/issues/4062
|
||||
script = ''
|
||||
${pkgs.rspamd}/bin/rspamadm dmarc_report $(date -d "yesterday" "+%Y%m%d")
|
||||
upstream "local" {
|
||||
default = yes; # Self-scan upstreams are always default
|
||||
self_scan = yes; # Enable self-scan
|
||||
}
|
||||
'';
|
||||
serviceConfig = {
|
||||
User = "${config.services.rspamd.user}";
|
||||
Group = "${config.services.rspamd.group}";
|
||||
|
||||
AmbientCapabilities = [ ];
|
||||
CapabilityBoundingSet = "";
|
||||
DevicePolicy = "closed";
|
||||
IPAddressAllow = "localhost";
|
||||
LockPersonality = true;
|
||||
NoNewPrivileges = true;
|
||||
PrivateDevices = true;
|
||||
PrivateMounts = true;
|
||||
PrivateTmp = true;
|
||||
PrivateUsers = true;
|
||||
ProtectClock = true;
|
||||
ProtectControlGroups = true;
|
||||
ProtectHome = true;
|
||||
ProtectHostname = true;
|
||||
ProtectKernelLogs = true;
|
||||
ProtectKernelModules = true;
|
||||
ProtectKernelTunables = true;
|
||||
ProtectProc = "invisible";
|
||||
ProcSubset = "pid";
|
||||
ProtectSystem = "strict";
|
||||
RemoveIPC = true;
|
||||
RestrictAddressFamilies = [
|
||||
"AF_INET"
|
||||
"AF_INET6"
|
||||
];
|
||||
RestrictNamespaces = true;
|
||||
RestrictRealtime = true;
|
||||
RestrictSUIDSGID = true;
|
||||
SystemCallArchitectures = "native";
|
||||
SystemCallFilter = [
|
||||
"@system-service"
|
||||
"~@privileged"
|
||||
];
|
||||
UMask = "0077";
|
||||
};
|
||||
};
|
||||
|
||||
systemd.timers.rspamd-dmarc-reporter = lib.optionalAttrs cfg.dmarcReporting.enable {
|
||||
description = "Daily delivery of aggregated DMARC reports";
|
||||
wantedBy = [
|
||||
"timers.target"
|
||||
workers.controller = {
|
||||
type = "controller";
|
||||
count = 1;
|
||||
bindSockets = [
|
||||
{
|
||||
socket = "/run/rspamd/worker-controller.sock";
|
||||
mode = "0666";
|
||||
}
|
||||
];
|
||||
timerConfig = {
|
||||
OnCalendar = "daily";
|
||||
Persistent = true;
|
||||
RandomizedDelaySec = 86400;
|
||||
FixedRandomDelay = true;
|
||||
includes = [ ];
|
||||
extraConfig = ''
|
||||
static_dir = "''${WWWDIR}"; # Serve the web UI static assets
|
||||
'';
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
services.redis.servers.rspamd.enable = lib.mkDefault true;
|
||||
|
||||
systemd.tmpfiles.settings."10-rspamd.conf" = {
|
||||
"${cfg.dkimKeyDirectory}" = {
|
||||
d = {
|
||||
# Create /var/dkim owned by rspamd user/group
|
||||
user = rspamdUser;
|
||||
group = rspamdGroup;
|
||||
};
|
||||
Z = {
|
||||
# Recursively adjust permissions in /var/dkim
|
||||
user = rspamdUser;
|
||||
group = rspamdGroup;
|
||||
};
|
||||
};
|
||||
|
||||
systemd.services.postfix = {
|
||||
after = [ rspamdSocket ];
|
||||
requires = [ rspamdSocket ];
|
||||
};
|
||||
|
||||
users.extraUsers.${postfixCfg.user}.extraGroups = [ rspamdCfg.group ];
|
||||
};
|
||||
|
||||
systemd.services.rspamd = {
|
||||
requires = [ "redis-rspamd.service" ] ++ (lib.optional cfg.virusScanning "clamav-daemon.service");
|
||||
after = [ "redis-rspamd.service" ] ++ (lib.optional cfg.virusScanning "clamav-daemon.service");
|
||||
serviceConfig = lib.mkMerge [
|
||||
{
|
||||
SupplementaryGroups = [ config.services.redis.servers.rspamd.group ];
|
||||
}
|
||||
(lib.optionalAttrs cfg.dkimSigning {
|
||||
ExecStartPre = map createDkimKeypair cfg.domains;
|
||||
ReadWritePaths = [ cfg.dkimKeyDirectory ];
|
||||
})
|
||||
];
|
||||
};
|
||||
|
||||
systemd.services.rspamd-dmarc-reporter = lib.optionalAttrs cfg.dmarcReporting.enable {
|
||||
# Explicitly select yesterday's date to work around broken
|
||||
# default behaviour when called without a date.
|
||||
# https://github.com/rspamd/rspamd/issues/4062
|
||||
script = ''
|
||||
${pkgs.rspamd}/bin/rspamadm dmarc_report $(date -d "yesterday" "+%Y%m%d")
|
||||
'';
|
||||
serviceConfig = {
|
||||
User = "${config.services.rspamd.user}";
|
||||
Group = "${config.services.rspamd.group}";
|
||||
|
||||
AmbientCapabilities = [ ];
|
||||
CapabilityBoundingSet = "";
|
||||
DevicePolicy = "closed";
|
||||
IPAddressAllow = "localhost";
|
||||
LockPersonality = true;
|
||||
NoNewPrivileges = true;
|
||||
PrivateDevices = true;
|
||||
PrivateMounts = true;
|
||||
PrivateTmp = true;
|
||||
PrivateUsers = true;
|
||||
ProtectClock = true;
|
||||
ProtectControlGroups = true;
|
||||
ProtectHome = true;
|
||||
ProtectHostname = true;
|
||||
ProtectKernelLogs = true;
|
||||
ProtectKernelModules = true;
|
||||
ProtectKernelTunables = true;
|
||||
ProtectProc = "invisible";
|
||||
ProcSubset = "pid";
|
||||
ProtectSystem = "strict";
|
||||
RemoveIPC = true;
|
||||
RestrictAddressFamilies = [
|
||||
"AF_INET"
|
||||
"AF_INET6"
|
||||
];
|
||||
RestrictNamespaces = true;
|
||||
RestrictRealtime = true;
|
||||
RestrictSUIDSGID = true;
|
||||
SystemCallArchitectures = "native";
|
||||
SystemCallFilter = [
|
||||
"@system-service"
|
||||
"~@privileged"
|
||||
];
|
||||
UMask = "0077";
|
||||
};
|
||||
};
|
||||
|
||||
systemd.timers.rspamd-dmarc-reporter = lib.optionalAttrs cfg.dmarcReporting.enable {
|
||||
description = "Daily delivery of aggregated DMARC reports";
|
||||
wantedBy = [
|
||||
"timers.target"
|
||||
];
|
||||
timerConfig = {
|
||||
OnCalendar = "daily";
|
||||
Persistent = true;
|
||||
RandomizedDelaySec = 86400;
|
||||
FixedRandomDelay = true;
|
||||
};
|
||||
};
|
||||
|
||||
systemd.services.postfix = {
|
||||
after = [ rspamdSocket ];
|
||||
requires = [ rspamdSocket ];
|
||||
};
|
||||
|
||||
users.extraUsers.${postfixCfg.user}.extraGroups = [ rspamdCfg.group ];
|
||||
};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -32,61 +32,59 @@ let
|
|||
[ "acme-finished-${cfg.fqdn}.target" ];
|
||||
in
|
||||
{
|
||||
config =
|
||||
with cfg;
|
||||
lib.mkIf enable {
|
||||
# Create self signed certificate
|
||||
systemd.services.mailserver-selfsigned-certificate =
|
||||
lib.mkIf (cfg.certificateScheme == "selfsigned")
|
||||
{
|
||||
after = [ "local-fs.target" ];
|
||||
script = ''
|
||||
# Create certificates if they do not exist yet
|
||||
dir="${cfg.certificateDirectory}"
|
||||
fqdn="${cfg.fqdn}"
|
||||
[[ $fqdn == /* ]] && fqdn=$(< "$fqdn")
|
||||
key="$dir/key-${cfg.fqdn}.pem";
|
||||
cert="$dir/cert-${cfg.fqdn}.pem";
|
||||
config = lib.mkIf cfg.enable {
|
||||
# Create self signed certificate
|
||||
systemd.services.mailserver-selfsigned-certificate =
|
||||
lib.mkIf (cfg.certificateScheme == "selfsigned")
|
||||
{
|
||||
after = [ "local-fs.target" ];
|
||||
script = ''
|
||||
# Create certificates if they do not exist yet
|
||||
dir="${cfg.certificateDirectory}"
|
||||
fqdn="${cfg.fqdn}"
|
||||
[[ $fqdn == /* ]] && fqdn=$(< "$fqdn")
|
||||
key="$dir/key-${cfg.fqdn}.pem";
|
||||
cert="$dir/cert-${cfg.fqdn}.pem";
|
||||
|
||||
if [[ ! -f $key || ! -f $cert ]]; then
|
||||
mkdir -p "${cfg.certificateDirectory}"
|
||||
(umask 077; "${pkgs.openssl}/bin/openssl" genrsa -out "$key" 2048) &&
|
||||
"${pkgs.openssl}/bin/openssl" req -new -key "$key" -x509 -subj "/CN=$fqdn" \
|
||||
-days 3650 -out "$cert"
|
||||
fi
|
||||
'';
|
||||
serviceConfig = {
|
||||
Type = "oneshot";
|
||||
PrivateTmp = true;
|
||||
};
|
||||
};
|
||||
|
||||
# Create maildir folder before dovecot startup
|
||||
systemd.services.dovecot2 = {
|
||||
wants = certificatesDeps;
|
||||
after = certificatesDeps;
|
||||
preStart =
|
||||
let
|
||||
directories = lib.strings.escapeShellArgs (
|
||||
[ mailDirectory ] ++ lib.optional (cfg.indexDir != null) cfg.indexDir
|
||||
);
|
||||
in
|
||||
''
|
||||
# Create mail directory and set permissions. See
|
||||
# <https://doc.dovecot.org/main/core/config/shared_mailboxes.html#filesystem-permissions-1>.
|
||||
# Prevent world-readable paths, even temporarily.
|
||||
umask 007
|
||||
mkdir -p ${directories}
|
||||
chgrp "${vmailGroupName}" ${directories}
|
||||
chmod 02770 ${directories}
|
||||
if [[ ! -f $key || ! -f $cert ]]; then
|
||||
mkdir -p "${cfg.certificateDirectory}"
|
||||
(umask 077; "${pkgs.openssl}/bin/openssl" genrsa -out "$key" 2048) &&
|
||||
"${pkgs.openssl}/bin/openssl" req -new -key "$key" -x509 -subj "/CN=$fqdn" \
|
||||
-days 3650 -out "$cert"
|
||||
fi
|
||||
'';
|
||||
};
|
||||
serviceConfig = {
|
||||
Type = "oneshot";
|
||||
PrivateTmp = true;
|
||||
};
|
||||
};
|
||||
|
||||
# Postfix requires dovecot lmtp socket, dovecot auth socket and certificate to work
|
||||
systemd.services.postfix = {
|
||||
wants = certificatesDeps;
|
||||
after = [ "dovecot2.service" ] ++ lib.optional cfg.dkimSigning "rspamd.service" ++ certificatesDeps;
|
||||
requires = [ "dovecot2.service" ] ++ lib.optional cfg.dkimSigning "rspamd.service";
|
||||
};
|
||||
# Create maildir folder before dovecot startup
|
||||
systemd.services.dovecot2 = {
|
||||
wants = certificatesDeps;
|
||||
after = certificatesDeps;
|
||||
preStart =
|
||||
let
|
||||
directories = lib.strings.escapeShellArgs (
|
||||
[ cfg.mailDirectory ] ++ lib.optional (cfg.indexDir != null) cfg.indexDir
|
||||
);
|
||||
in
|
||||
''
|
||||
# Create mail directory and set permissions. See
|
||||
# <https://doc.dovecot.org/main/core/config/shared_mailboxes.html#filesystem-permissions-1>.
|
||||
# Prevent world-readable paths, even temporarily.
|
||||
umask 007
|
||||
mkdir -p ${directories}
|
||||
chgrp "${cfg.vmailGroupName}" ${directories}
|
||||
chmod 02770 ${directories}
|
||||
'';
|
||||
};
|
||||
|
||||
# Postfix requires dovecot lmtp socket, dovecot auth socket and certificate to work
|
||||
systemd.services.postfix = {
|
||||
wants = certificatesDeps;
|
||||
after = [ "dovecot2.service" ] ++ lib.optional cfg.dkimSigning "rspamd.service" ++ certificatesDeps;
|
||||
requires = [ "dovecot2.service" ] ++ lib.optional cfg.dkimSigning "rspamd.service";
|
||||
};
|
||||
};
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue