>we've whiteruled their mail servers 164.72.144.31 and 164.72.144.29.
You can't whitelist header_checks >We are aware of the internal IP address (1.1.1.x) The only way to fix this is remove the "[1." Class A item from the bogon filter. To compensate, one could make a similar, second filter line in the _bogon.regexp file that ClassA's removed from the the main filter line but WARNed rather than REJECTed, so you could keep an eye on what, if any, is getting through. Len
