qmail-spp

Playing with qmail-spp

qmail-spp provides plug-in support for qmail-smtpd. It allows you to write external programs and use them to check SMTP command argument validity. The plug-in can trigger several actions, like denying a command with an error message, logging data, adding a header...

Bloccare gli HELO/EHLO con falso DNS

Changelog Aug 17, 2023- C++ version Aug 13, 2023- v. 8.2.0 bug fix: segfault in case of no result in DNS record- default action changed to GNLR 27 luglio 2023- P lascia passare il client e ignora tutti i filtri. E' necessario rimuovere o rivedere...

Greylisting per qmail

Greylisting is a method of defending e-mail users against spam. A mail transfer agent (MTA) using greylisting will "temporarily reject" any email from a sender it does not recognize. If the mail is legitimate, the originating server will try again after...

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