Lately I find that my Apple Mail is resetting itself. I have gone to great lengths to create filters and specialized mailboxes for all my incoming mail. Now I find that Mail erases all those mailboxes and resets itself to its initial basics. Thankfully I have a backup up of my MAIL folder and com.apple.mail.plist. However, continually having to copy those items daily whenever my Mail resets itself is becoming a chore. Is anyone else having a problem like this? The only explanation that I may have is ClamXav detected a virus in a mail download. I was able to quarantine it, but who knows it it is wreaking havoc on my mail settings.