> > My thought process was that emails with Google in the Senders Name or > > email address should only really originate from IP addresses / ASN's > > Google own (initial invesgation suggest gmail.com comes from AS15169 > > thought I've not thrown a wide net yet). > > a meta rule with rcvd header and From: header rules will do the trick, > faster and simpler. > Good thinking. I'll investigate this futher.
Thanks Steve
