Re: suspect mail
From: N. Miller (anonymous_at_discussions.microsoft.com)
Date: 08/02/04
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Date: Mon, 2 Aug 2004 15:05:00 -0700
In article <1f9111a8.0408020144.67de9dd4@posting.google.com>, Frank Muir
says...
> I get this mail "returned" which I never sent in the first place. How
> come?
Mail that is returned to your email address was sent by a virus, or a
spammer, forging your email address as the sender of the message. Many mail
servers accept all email for the domain which they serve, then check to see
if the message can be delivered. By the time such systems figure out that an
email message is not deliverable, they have lost the information about the
actual sender, and only have the forged email address to go on; so they send
it there. It is method that worked well before email address forger was
common; but it is a broken way to handle email today.
You might try a rule which tests the source of the message. If it is from
the 'MAILER-DAEMON' at your ISP, accept the bounce; delete any other bounce.
You might miss some that would diagnose a problem sending, but it will stop
the bounces to forged sender IP addresses.
-- Norman ~Win dain a lotica, En vai tu ri, Si lo ta ~Fin dein a loluca, En dragu a sei lain ~Vi fa-ru les shutai am, En riga-lint
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