Sendmail

Aber Achtung: "Wer nie sendmail konfiguriert hat ist kein Admin, aber wer es mehr als einmal konfiguriert hat ist ein schlechter Admin". Im echten Leben postfix (oder qmail) nehmen.

Beware: Results 1 - 10 of about 329,000 for why sendmail is evil.

Beware:Results 1 - 10 of about 1,280,000 for sendmail+exploit.

you have to be polite
mutante@geist.s23.org> telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 geist.s23.org ESMTP Sendmail 8.13.6/8.13.6/Debian-1; Wed, 10 May 2006 22:15:59 +0200; (No UCE/UBE) logging access from: localhost(OK)-mutante@localhost [127.0.0.1] MAIL From: mutante@localhost 503 5.0.0 Polite people say HELO first LOL 500 5.5.1 Command unrecognized: "LOL"

dont worry, its already removed from the server again ;)

And now it is finally out of NetBSD: Click

sendmail