On Sep 12, 2006, at 9:08 PM, Michael wrote: > I just got an email from a spam blocker. I think my system has been > compromised. What should I do to fix this? Faking the 'From' address on an email is about as hard as faking the return address on a paper letter. Anybody can write an email and say it's 'from' you. Not much you can do about it.