Thread: fail2ban maybe help ease postfix from spammers
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Old 19th November 2008, 08:49
madmucho madmucho is offline
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Default Testing fail2ban recepie
Hi all, i set this rule to fail2ban and modified failregex for some smtp codes, recepie is from fail2ban wiki page.
550 relayng
450 mailbox isnt on server
554 relayng transaction

now i testing this in my env.
Code:
failregex = reject: RCPT from (.*)\[<HOST>\]: 550 5.1.1
            reject: RCPT from (.*)\[<HOST>\]: 450 4.7.1
            reject: RCPT from (.*)\[<HOST>\]: 554 5.7.1
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