1 files changed, 4 insertions, 0 deletions

diff --git a/ymir.nix b/ymir.nix
index fe3c8596..ae012058 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -368,6 +368,10 @@ in rec {
         reject_unauth_destination,
         permit
 
+      smtpd_relay_restrictions =
+        permit_sasl_authenticated,
+        reject_unauth_destination
+
       alias_maps = hash:/etc/postfix/aliases texthash:/etc/postfix/spm
     '';
     extraMasterConf = ''