> they shouldn't be allowed to use their own MX ? Instead of preventing
> few problems which can be avoided in other ways (look below) this causes
> lots of problems.

SPF <http://spf.pobox.com/> is a good start.

Sender verify is possibly the next best thing?

Check out <http://www.jcdigita.com/eximconfig/>

It's about time ISPs took responsibility for "their" spam!

-------------------
Keith Dartford Kent UK
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