Postfix: specify lists of access restrictions

2020-09-07 05:31:11 +02:00 · 2020-09-07 05:31:11 +02:00 · 6c5138bdba
parent fed37bf920
commit 6c5138bdba
1 changed files with 4 additions and 0 deletions
--- a/roles/shell/files/etc/postfix/main.cf
+++ b/roles/shell/files/etc/postfix/main.cf
@ -49,6 +49,10 @@ smtpd_sasl_path = private/auth
 smtpd_sasl_auth_enable = yes
 smtpd_sasl_security_options = noanonymous
 smtpd_sasl_local_domain = $myhostname
+
+# Don't accept mail from domains that don't exist.
+smtpd_sender_restrictions = reject_unknown_sender_domain
+
 #Allow ONLY authenticated users to send email
 smtpd_recipient_restrictions =
 permit_mynetworks,