>How can I confirm that an email account exists through telnet x.x.x.x 25?
>Anyone know the exact commands to check the validity of a user account?

There's no way to do it with 100% certainty on all servers.  "VRFY 
[EMAIL PROTECTED]", if supported, will let you know whether or not an 
account exists.  If VRFY isn't supported, you can try "MAIL FROM" and "RCPT 
TO" and see what happens (on IMail, for example, it will either tell you 
the account doesn't exist, or say "delivering to alternate" if an alias is 
being used (such as the "nobody" alias)).

                                                    -Scott
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Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for 
IMail.  http://www.declude.com

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