My favorite application on my mac is of course mail.app, but as you can see from prior threads, I’ve been having some issues!   Mail.app just gets, boggled down, my “Envelope Index” grows up to 20MB and mail.app starts to fall apart and SLOW down. 

So I recently found the All Mail folder on my gmail account, it had a crazy 30+ thousand messages.  Here is the quick fix! 

I’m going to link this to macosxhints.