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 [http://www.google.com/search?q=why+sendmail+is+evil why sendmail is evil].
Beware:Results 1 - 10 of about 1,280,000 for [http://www.google.com/search?q=sendmail+exploit sendmail+exploit].
=== you have to be polite ===
<pre>
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"
</pre>
dont worry, its already removed from the server again ;)
And now it is finally out of [[NetBSD]]: [http://mail-index.netbsd.org/source-changes/2006/05/30/0004.html Click]