hermit921 at YAHOO.COM
Wed Feb 4 19:18:08 GMT 2004
I am still trying to figure out why some messages don't get tagged by
MailScanner 4-23, postfix 2. Every email should get tagged with at least
one MailScanner header, but some don't.
I came up with an idea. Is this feasible:
Spammer sets up his client to use our mail server as his smtp
gateway. Should work for any message addressed to a user in our domain,
but he can't send mail outside. So spammer addresses a message to
usera at mydomain, with CC or BCC to userb, userc, userd, etc. Now I get
One message appears here, postfix dumps it in the hold queue. Postfix
splits it up at the same time, so only the original message gets the
MailScanner headers. Since I can't track the original, I can't verify the
presence of headers.
Am I way off?
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