finish up dovecot configuration

also factor out users into own file

mail-server/dovecot.nix

@@ -14,13 +14,71 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>
 
-{ vmail_group_name, vmail_user_name, dovecot_maildir, enable_imap, enable_pop3,
+{ vmail_group_name, vmail_user_name, mail_dir, enable_imap, enable_pop3,
 ... }:
+let
+  # maildir in format "/${domain}/${user}/"
+  dovecot_maildir = "maildir:${mail_dir}/%d/%n/";
+in
 {
   enable = true;
   enableImap = enable_imap;
   enablePop3 = enable_pop3;
   mailGroup = vmail_group_name;
   mailUser = vmail_user_name;
-  mailLocation = dovecot_maildir;  # maildir in format "/${domain}/${user}/"
+  mailLocation = dovecot_maildir;
+  #sslServerCert = "/etc/nixos/cert/${cert_file}"; // TODO: Define
+  #sslServerKey = "/etc/nixos/cert/${key_file}";   // TODO: Define
+  enableLmtp = true;
+  extraConfig = ''
+    #Extra Config
+    mail_access_groups = ${vmail_group_name}
+    ssl = required
+
+    service lmtp {
+      unix_listener /var/lib/postfix/queue/private/dovecot-lmtp {
+        group = postfix
+        mode = 0600
+        user = postfix  # TODO: < make variable
+      }
+    }
+
+    service auth {
+      unix_listener /var/lib/postfix/queue/private/auth {
+        mode = 0660
+        user = postfix  # TODO: < make variable
+        group = postfix  # TODO: < make variable
+      }
+    }
+
+    auth_mechanisms = plain login
+
+    namespace inbox {
+
+    #prefix = INBOX.
+    # the namespace prefix isn't added again to the mailbox names.
+    inbox = yes
+    # ... 
+
+    mailbox "Trash" {
+      auto = no
+      special_use = \Trash
+    }
+
+    mailbox "Junk" {
+      auto = subscribe
+      special_use = \Junk
+    }
+
+    mailbox "Drafts" {
+      auto = subscribe
+      special_use = \Drafts
+    }
+
+    mailbox "Sent" {
+      auto = subscribe
+      special_use = \Sent
+      }
+    }
+  '';
 }