Um, do you ever log out, or close firefox? For that matter, do you have it set to empty trash when done? Or do you ever manually compress folders/empty trash?
mark "or just leave it running for a year at a time?"
NO - your correct I dont log out it's got messages in there from way back. I'd like to keep them for history. I thought on a 64bit machine there were no 4G limits.
Jerry