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Re: Interaction with anti-spam systems (was Re: A spammer subscribed to this list ? )

2004-08-04 12:23:25

Alan,

On Wed, Aug 04, 2004 at 02:59:31PM -0400, Alan DeKok wrote:

  e.g. I've talked to people who say that 90% of the SPF records they
see are from spammers.

  Why?  Because people are using SPF in conjunction with anti-spam
systems like Spamassassin, and giving *positive* scores to email which
passes SPF.  The end result is that spammers can *gain* by publishing
SPF records, as their spam is more likely to get through.


That's a very interesting point.

It means that spammers have (partly) changed their behavior and
started to use their own domains for sender addresses. 

Does anyone have examples of such domains?

regards
Hadmut


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