diff --git a/applications/email.nix b/applications/email.nix
index 4808c35..8c49dcd 100644
--- a/applications/email.nix
+++ b/applications/email.nix
@@ -490,6 +490,10 @@ in {
       # 20MB max size
       messageSizeLimit = 20000000;
 
+      policydSPFExtraConfig = ''
+        skip_addresses = 193.1.99.86/32
+      '';
+
       ldap = {
         enable = true;
         uris = cfg.ldap.hosts;