Delete the account and add it again. macgurl70 is right, gmail is IMAP. Why would you want 75,000 emails sitting in one account and you say that you have 15 other accounts! I am wondering how large your mail folder is in your local library. You are doing this on a MacBook Pro! If you are getting that many mails, get a server. You could have as may accounts as you want, and security and backup would be rather straight forward task.
macmad 29 Junior Poster in Training
Danarchy commented: Valid, needed questions for the OP +7
Danarchy commented: I agree about Spotlight not being a very thorough finder. +6