0
key facts:
Mac OS X v10.6.5 Mail v4.4 Retrieve messages folder in the Mail has the same message over and over again, it's 44.6MB file the computer saves again and again (1547 times) ~ 70GB. Retrieved Messages.mbox is now 99GB
deleting messages doesn't work in the mail program(they never go into the trash, just reappear, real memory goes up to 800-900 MB
This isn't a programming question, and would get better answers on superuser.com.
– Dan J – 2011-02-15T19:44:39.493