mailinabox/conf/fail2ban/jail.d/postfix-extra.conf

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2021-08-28 11:34:37 +00:00
# typically non smtp commands. Block fast for access to postfix
[miab-postfix-scanner]
enabled = true
port = smtp,465,587
filter = miab-postfix-scanner
logpath = /var/log/mail.log
maxretry = 2
findtime = 1d
bantime = 1h
# ip lookup of hostname does not match. Go easy on block
[miab-pf-rdnsfail]
enabled = true
port = smtp,465,587
mode = normal
filter = miab-postfix-rdnsfail
logpath = /var/log/mail.log
maxretry = 8
findtime = 12h
bantime = 30m
# ip lookup of hostname does not match with failure. More strict block
[miab-pf-rdnsfail-e]
enabled = true
port = smtp,465,587
mode = errors
filter = miab-postfix-rdnsfail[mode=errors]
logpath = /var/log/mail.log
maxretry = 4
findtime = 1d
bantime = 1h