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improvement: Add reject_unknown_client_hostname to main.cf (#2691)

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Felix 2022-09-05 22:58:55 +02:00 committed by GitHub
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commit 8bc8fc873c
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target/postfix/main.cf
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@ -50,7 +50,7 @@ smtpd_helo_restrictions = permit_mynetworks, reject_invalid_helo_hostname, permi
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, check_policy_service unix:private/policyd-spf, reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unauth_pipelining
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unknown_sender_domain
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unknown_sender_domain, reject_unknown_client_hostname
disable_vrfy_command = yes
# Postscreen settings to drop zombies/open relays/spam early