Some of my customers have the same problem I was able to reduce the problem
with
reject-unresolvable-rdns
I hope this helps.

On Tue, Dec 30, 2008 at 9:09 PM, Sam Clippinger <[email protected]> wrote:

> I haven't seen much of this myself.  I'm not sure what spamdyke could do
> to stop this.  Obviously it could block any messages with the same
> sender and recipient addresses, but that would prevent users from
> emailing themselves (some MUAs include a feature to always put the
> sender on the BCC line).
>
> If spamdyke can't stop these messages based on their origin, it's
> probably up to SpamAssassin (or something similar) to stop it by
> checking the content.
>
> -- Sam Clippinger
>
> Greg Cirelle Enterprises wrote:
> > We have been seeing a large increase in the type of spam
> > having the same address in the from and to parameters.
> >
> > ex. from: [email protected] to: [email protected] ...
> >
> > the filters we already have in place are stopping the usual
> > dns and black list entries, but occasionally  some get through
> >
> > not such a big deal but some users are begining to get cranky
> >
> > anyone seeing these and able to deal with them?
> >
> > best
> >
> >
> _______________________________________________
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> http://www.spamdyke.org/mailman/listinfo/spamdyke-users
>
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