RE: [SPF] What to do in Windows 2003 and a .local domain DNS

> Is it recommended tot install on the Exchange 2003 server de IMF filter
> from Microsoft?
The IMF filter from Microsoft doesn't have anything to do with SPF. It's their 
first attempt at a server-based content filter (spam filter). It isn't very 
flexible, but you may wish to try it.

If you want an SPF filter for Exchange, visit:
http://www.michaelbrumm.com/smtpspffilter.html

Michael R. Brumm