Automatically Remove Old Mail from the Mac OS X Mail Trash

What if you delete a message you shouldn't have? The Mac OS X Mail Trash folder is a godsend. It lets you recover the message easily.

Another positive aspect of the Trash in Mac OS X Mail is how it keeps itself to a reasonable size by eliminating very old messages automatically.

Automatically Remove Old Mail from the Mac OS X Mail Trash

To turn this feature on and have old mail automatically removed from the Mac OS X Mail Trash:

  • Select Mail | Preferences... from the menu.
  • Go to the Accounts category.
  • Highlight the account whose Trash folder you want to configure.
  • Go to the Special Mailboxes tab.
  • Make sure Move deleted messages to a separate folder (POP accounts) or Move deleted messages to the Trash mailbox (IMAP accounts) is selected.
  • Now make sure One month/week/day old is selected under Erase deleted messages when:.
  • Close the dialog saving changes.
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