Firstly, thanks for suggestions on DNS host providers that can handle SPF for my home Exch2K3 server. I ended up going with editdns... easy and free.
Now, after having made the change, I'm tuning a few things on my spam filter and have noticed outbound msgs in my SMTP queues for users/domains I'm not sending too. They are always from my postmaster account to some user I've never heard of. Is there any way to determine if these are NDR's as a result of somebody forging their From: address as they are attempting to send me spam? I want to make sure I'm not compromised in any way. Thanks -sc PS- I also found the direct line to get Verizon business FIOS to set up a PTR record if you have a static address... if anybody needs it, drop me a line. ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~