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Re: Fwd: Please confirm your message

On Wed, Dec 04, 2002 at 09:47:05AM +1100, Brian May wrote:
> On Tue, Dec 03, 2002 at 11:09:02AM +0100, Gerrit Pape wrote:
> > Autoresponders, bouncers, and other mail handling programs use the
> > envelope sender address, not an address found in any header of the mail.
> > I doubt that any abuse@ address replies to a bounce message.  This is no
> > problem.
> You seem to imply that the envelope sender address is harder to forge?
> Yet my experience has been that I can telnet to port 25 on any mail
> server, and give it any envelope sender I want.
> Are there suppost to be some sort of checks placed on this address?

He's talking about the envelope sender address on the confirmation messages,
which is empty (<>), the same as for bounce messages.


Adam McKenna  <adam@debian.org>  <adam@flounder.net>

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