From: Frank Brehm <frank@brehm-online.com>
Date: Wed, 3 Jan 2024 12:17:22 +0000 (+0100)
Subject: daily autocommit
X-Git-Url: https://git.uhu-banane.net/?a=commitdiff_plain;h=5e491b96c02d9b1cece4557f2e0362443d0c82c1;p=config%2Fns3%2Fetc.git

daily autocommit
---

diff --git a/postfix/main.cf b/postfix/main.cf
index bfce667..1e80281 100644
--- a/postfix/main.cf
+++ b/postfix/main.cf
@@ -95,4 +95,11 @@ smtp_tls_CApath =
 
 unknown_local_recipient_reject_code = 550
 
+# Optionally disconnect remote SMTP clients that send bare newlines,
+# but allow local clients with non-standard SMTP implementations
+# such as netcat, fax machines, or load balancer health checks.
+#
+smtpd_forbid_bare_newline = yes
+smtpd_forbid_bare_newline_exclusions = $mynetworks
+
 # vim: filetype=pfmain