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ArchiveAugust 2020

Utilizing fail2ban to Protect SSHD & Mail Service on CentOS

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0x00 STORY I haven’t checked mail log after installing dovecot and postfix, since these mailing services runs well without any problem, but recently I found issue on losing mails when sending numerous mails at the same time, then I looked into dovecot and postfix’s configuration thoroughly, however, everything seems to be ok, then I turned to check mail log hoping to find some errors...

Coding, Web, Hydrology and more.

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