The only one to date that I
>haven't seen cause problems is Nod32's Imon (not the same as
>Emon which is specifically for Microsoft Outlook), and it's
>not really "email scanning" per se, but winsock level
>scanning. I have yet to see it bung anything up.

Since reading this thread I've shoved off AVG and now use NOD32 which is sweet...Antivir didn't work well with my system and while AVG didn't give me any problems it seems, after reading the posts here, it isn't as good as NOD32 for protection...