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install_postfix_advanced.sh: some more spam protections..

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Christoph 2021-04-29 18:54:10 +02:00
parent 8781356a88
commit 0d8f2910ab
1 changed files with 18 additions and 0 deletions
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18
install_postfix_advanced.sh
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@ -1647,6 +1647,23 @@ smtpd_client_restrictions =
#
permit_dnswl_client dnswl.oopen.de,
# Blacklists
#
# - rhs stands for right hand side, i.e, the domain name.
#
# - reject_rhsbl_helo makes Postfix reject email when the client HELO or EHLO hostname is blacklisted.
#
# - reject_rhsbl_reverse_client: reject the email when the unverified reverse client hostname is
# blacklisted. Postfix will fetch the client hostname from PTR record. If the hostname is
# blacklisted, reject the email.
#
# - reject_rhsbl_sender makes Postfix reject email when the MAIL FROM domain is blacklisted.
#
# - reject_rbl_client: This is an IP-based blacklist. When the client IP address is backlisted,
# reject the email.
#
reject_rhsbl_helo dbl.spamhaus.org,
reject_rhsbl_reverse_client dbl.spamhaus.org,
reject_rhsbl_sender dbl.spamhaus.org,
reject_rbl_client zen.spamhaus.org,
reject_rbl_client ix.dnsbl.manitu.net,
# Greylisting check
@ -1714,6 +1731,7 @@ smtpd_sender_restrictions =
permit_sasl_authenticated,
reject_unknown_sender_domain,
reject_non_fqdn_sender
reject_unknown_reverse_client_hostname
## ---