Mac mail automatically deleting emails
Hi everybody,
Has anybody come across this problem before?
Last week, out of the blue, the Mac Mail program automatically started deleting all of the emails in my IMAP inbox older than 8 days. They're not appearing in the Trash folder either. I've gone into the Mail preferences and there aren't any options that I could set under the "Mail Behaviors" tab for the Inbox itself, only for the Drafts, Sent, Junk, and Trash folders, which I don't have problems with.
I've tried replacing the Messages folder for this IMAP account under ~/Library/Mail/IMAP-account/INBOX.imapmbox with a backup containing all of the missing emails, but they're still not showing up in my inbox. I've also tried rebuilding the mailbox and reindexing it, but neither have worked either.
I've also been in touch with my email provider, and he said it wasn't anything on his end.
Does anybody have any suggestions? I'd definitely appreciate it if anybody can offer some insight! Thanks so much in advance!
iMac, Mac OS X (10.4.11)