RE: [Exim] AOL - SPF - and EXIM

> -----Original Message-----
> From: Greg A. Woods [mailto:woods@most.weird.com]

> No, you don't really know any such thing for certain. Unless you look
> up the reverse DNS for that address and compare it as well then you
> don't know for sure whether you can trust that A record, as
> it may have been spoofed.

Yes, but if your DNS is being poisoned you can't trust *either* lookup.
You're FUBAR anyway.