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[Rob Poe]

One of my users has a Sprint cell phone, and sends messages by 
authenticating (SMTP/POP) to our corporate messaging.

He sends out an email to someone outside the org, and SpamAssassin is 
catching it and scoring it because it's on the BRBL (the Sprint IP pool) 
and that's in the header.

I'd rather NOT scan any email that comes from my trusted MTA (the 
corporate messaging system).

How would I accomplish that (i.e. whitelist any email from a certain MTA 
ip).

r