Of course, SA could be easily modified to remove any pre-existing X-Spam-Flag headers before writing its own...


At 05:24 PM 11/18/2002 -0500, 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.

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?


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