Apply helo restrictions to port 25 only, related to #115

2016-11-13 15:49:15 +01:00
parent a3fdd7077a
commit 3e85bb2d73
2 changed files with 2 additions and 6 deletions
--- a/postfix/conf/master.cf
+++ b/postfix/conf/master.cf
@@ -3,6 +3,7 @@

 # Exposed SMTP services
 smtp      inet  n       -       n       -       -       smtpd
+  -o smtpd_sender_restrictions=permit_mynetworks,reject_non_fqdn_helo_hostname,reject_invalid_helo_hostname,permit
 submission inet n       -       n       -       -       smtpd
  -o smtpd_tls_security_level=encrypt
  -o smtpd_sasl_auth_enable=yes