Re-enable sender access check to prevent source spoofing

2018-10-07 01:52:01 +02:00
parent f3f0b98755
commit fc99eb7b34
3 changed files with 14 additions and 0 deletions
--- a/core/postfix/conf/main.cf
+++ b/core/postfix/conf/main.cf
@@ -87,6 +87,7 @@ smtpd_helo_required = yes

 smtpd_client_restrictions =
  permit_mynetworks,
+  check_sender_access ${podop}sender,
  reject_non_fqdn_sender,
  reject_unknown_sender_domain,
  reject_unknown_recipient_domain,