ietf-smtp
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Re: Anti-Spoofing Technology

2005-04-16 20:03:08

 Is there any extension to the SMTP protocol which, for a client connection
 to an SMTP server, would require that all messages originating from that
 client specify a return address known by the server to be associated with
 that client?

Why is the rfc2821.mailfrom address of particular address, rather than any of 
the other identification information, such as rfc2821.helo, rfc2822.from or 
rfc2822.sender?


  d/
  ---
  Dave Crocker
  Brandenburg InternetWorking
  +1.408.246.8253
  dcrocker  a t ...
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