postfix: do not lookup client hostnames

This commit is contained in:
link2xt
2024-07-13 02:39:59 +00:00
committed by holger krekel
parent 1eca8aa143
commit 4ebc4f3069

View File

@@ -77,3 +77,7 @@ mua_helo_restrictions = permit_mynetworks, reject_invalid_helo_hostname, reject_
# 1:1 map MAIL FROM to SASL login name.
smtpd_sender_login_maps = regexp:/etc/postfix/login_map
# Do not lookup SMTP client hostnames to reduce delays
# and avoid unnecessary DNS requests.
smtpd_peername_lookup = no