"I had similar connecting problems after installing Service Pack 2 - I
contacted Norton AntiVirus help line, they stated I should turn off the
outgoing scan email and leave incoming on. That helped, but still
occasionaly got the unable to find server", again if it was not my primary
ISP identity that I was working in (I do professional association management
from home office) but was accessing a different web server such as hotmail,
webmail, etc. I have several different Email identities to keep track of
polling my clients email service. I then talked with Norton again when it
repeated, they advised me to contact Microsoft. I did, they asked me to
"uninstall Service Pack 2" since Norton and SP2 had some incompatibility
issues. I did, now I no longer have the problem. However, since I am on
"notice for updates", I keep getting the notice that I need to update to
Service Pack 2. Go figure... Hope this helps.. JP