Philip Mak wrote:

On Mon, Nov 18, 2002 at 02:02:59PM -0800, Bob Amen wrote:

Slightly off topic but... I got the attached piece of spam today
with two blank header lines. The first one gets tagged by SA but the
second one doesn't and apparently Mozilla doesn't check all Subject:
headers, only the last one, to filter the message.

Subject: *****SPAM*****
Subject:

Interesting. If you use the X-Spam-Flag method of filtering
spam-flagged messages into a spam folder though, that won't be
affected by the double subject line.

Some mail clients (the version of Mozilla I'm running, among them) don't allow one to filter on a user defined header. Only the standard ones are in the pull down list.


I wonder what would happen if the spammer had sent "X-Spam-Flag: NO"
as part of the header in the spam message. Would it fool
procmail/maildrop?

I doubt it would fool procmail.


Bob
--
Bob Amen
O'Reilly & Associates, Inc.
http://www.ora.com/
http://www.oreilly.com/



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