fail2ban的postfix规则

创建规则文件/etc/fail2ban/jail.d/postfix.conf并录入以下内容
[postfix]

enabled = true
filter = postfix
port=http,https,smtp,submission,pop3,pop3s,imap,imaps,sieve
logpath = /var/log/maillog

findtime = 1800
maxretry = 6

bantime = 1800
ignoreip = 127.0.0.1

创建规则文件/etc/fail2ban/filter.d/postfix.conf并录入以下内容

[Definition]
failregex = []: SASL (PLAIN|LOGIN) authentication failed
reject: RCPT from (.*)[]: 550 5.1.1
reject: RCPT from (.*)[]: 450 4.7.1
reject: RCPT from (.*)[]: 554 5.7.1
ignoreregex =