[Spambayes] Outlook plugin and Exchange Server anti-virus

[Chuck Renner]

> > Are there any tweaks I might be able to do to delay SpamBayes
> > processing to let NAV do its thing first?
> 
> I'm not familiar with this specific configuration, but you 
> could try the
> "Enable background filtering" option on the Advanced tab.  This option
> was intended primarily to avoid conflicts with Outlook rules, but may
> work here as well.

Yes, that's one of the first things I tweaked (especially since that was
an obvious addition in the new version).  I cranked up the delay to the
full 10 seconds, but it still behaves the same.