mailm...@ionos.gr: > > now that is funny, I didn't know postfix replied to HTTP requests hahaha! > > $ telnet mail.server 25 > Trying 192.168.1.184... > Connected to mail.server. > Escape character is '^]'. > 220-mail.server.erebor.lan ESMTP > > GET / HTTP/1.0 > > 521 5.7.0 Error: I can break rules, too. Goodbye. > Connection closed by foreign host.
Postfix intentionally blocks common non-SMTP activity. https://alpaca-attack.com/ Wietse
