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 (testing) 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...
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...
