Re: [exim] Backscatter Spam Again. HELP PLEASE!

> > on the recieving side server supporting SPF but its pretty widespread so
> > should have a very positive impact on your problem if
> > you arent already using it. The other good thing is its technically very
>
> I am not too sure. I have noticed about 800 or so spf hits in a year
> time on a count of 100000+ filtered spam. It seems very ineffective (<
> 1%). Besides didn't it break traditional forwarding?

If you use it hopefully its less likely your messages will be marked
as SPAM. I doubt DKIM is any better at blocking SPAM. They both do
basically the same thing which is insure only authorized senders are
allowed to send messages for a given domain.

Matt