Radio Tron put forth on 2/3/2010 8:22 AM:

> 3. How do I handle bounced mail and postmaster.. create a white-list file for 
> postmaster and put a rule saying PASS all.. will that create a loophole where 
> scumbags can spoof the FROM: field???

The scumbags always spoof the FROM: field.  You can whitelist the postmaster
address but still reject stuff destined to it containing postmas...@your.domain.
 Should be at least a couple methods to do this.

-- 
Stan

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