Re: Re: mail server vulnerability

[ryancol () ms com]

Umm... This is easy.... the $ indicates a bash prompt:

$ telnet your.server.com 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 foobar.com ESMTP Postfix 2.5.2
EHLO foobar.com
250-foobar.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MAIL FROM: <foo () foobar com>
250 2.1.0 Ok
RCPT TO: <somedude () gmail com>
250 2.1.5 Ok
DATA:
From: "Foo Dude" <foo () foobar com>
To: "Some Dude" <somedude () gmail com>
Subject: Test message

This is test
and more text
then to send this message
we will end it with just one blank line
that has a . (dot) like below: