prefer ipv4 on outbound mail

Signed-off-by: David Loffredo <loffredo@steptools.com>
david-loffredo · Jun 29, 2024 · ed285d3 · ed285d3
1 parent 4a43b59
commit ed285d3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/roles/mailhost/templates/postfix/main.cf b/roles/mailhost/templates/postfix/main.cf
@@ -51,6 +51,8 @@ mailbox_size_limit = 0
 inet_interfaces = all
 inet_protocols = all
 
+# prefer send with v4
+smtp_address_preference=ipv4
 
 # dovecot db
 virtual_transport = lmtp:unix:private/dovecot-lmtp