[bogofilter] using block_on_subnets
tanderso at oac-design.com
Thu Apr 29 07:30:16 EDT 2004
On Wed, 2004-04-28 at 10:53, David Relson wrote:
> 'Tis interesting to note that my mail server is spammish. Evidently
> spam includes the IP address 3 times as often as does ham.
I can only imagine that this is due to the fact that spammers purposely
insert the IP of the receiving server as the helo string. I noticed
this behavior on some of my more stubborn spam, which is why I now have
"helo-" prepended to all helo strings before passing through
bogofilter. They may also insert a fake received line which would
appear to be produced by the receiving mail server, but isn't. I strip
these out now, only allowing an unbroken chain of mail servers. You may
find the block-on-subnets option more useful if you take these
precautions to weed out known-bad data.
BTW, I was just playing around with "bogoutil -p"... is there any way to
provide tokens with wildcards?
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