1 files changed, 9 insertions, 0 deletions

diff --git a/hel.nix b/hel.nix
index 5e96f4e6..83dfab35 100644
--- a/hel.nix
+++ b/hel.nix
@@ -196,6 +196,15 @@
       extraConfig = ''
         authorized_submit_users = !uucp, static:anyone
         message_size_limit = 0
+
+        header_checks = regexp:/etc/postfix/header_checks
+
+        smtp_sasl_password_maps = texthash:/etc/postfix/sasl_passwd
+        smtp_sasl_type = cyrus
+        smtp_sasl_auth_enable = yes
+
+        smtp_cname_overrides_servername = no
+        smtp_sasl_security_options = noanonymous
       '';
     };