Ross Walker wrote: > On Mar 12, 2012, at 5:25 PM, m.roth@xxxxxxxxx wrote: > >> Here's a question: is there any way to inspect an email's headers, and >> reject it if the alleged FWDN in the From:" doesn't match the oldest >> "Received: "? > > That would be problematic with dual homed mail gateways that received on > internal interface and delivered on external interface that had different > host names on each. > I'm just trying to think of ways around a blacklist... *esp* the way dnsorb does, where they'll blacklist an entire block that belongs to a hosting provider, who provides one external delivery address. mark "why, yes, that has happened to me several times" _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos