Yes , you can

1. You can telnet at port 25 (the default port of SMTP) , you type "mail 
from:[EMAIL PROTECTED]" then "rcpt to:where_you_want_to_mail" then type in 
"data" and your message .
2. If you receive something like this , do a reply , then of course you'll get a 
message of unknown host or something and in that message you'll read the real name of 
the server used to send the mail (not the user , just the server)



On Fri, 6 Jul 2001 14:33:46 +0530 (IST), George S Pereira <[EMAIL PROTECTED]> wrote:
> 
> Hi all,
> 
> Sometimes people can send mail from one address(not necessarily theirs) to
> another address.
> 
> Is there a way to find out who the real sender is, in such a case???
> 
> George Savio Pereira
> ^^^^^^^^^^^^^^^^^^^^
> Email : [EMAIL PROTECTED]
> 

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