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dpcx
on Oct 6, 2023
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Fail2Ban
I wrote about using fail2ban with postfix[0] almost 15 years ago for blocking IPs that were sending to unknown email addresses on my server. It was a godsend for blocking tons of spam back then.
[0]:
https://www.dp.cx/blog/postfix---fail2ban---win.html
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[0]: https://www.dp.cx/blog/postfix---fail2ban---win.html