Mail app for Mac OS X - Compact mailboxes automatically

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Mail app for Mac OS X - Compact mailboxes automatically


You can configure the Mail app of Mac OS X to permanently clear deleted mail for your IMAP account(s). To enable this option:
  • Open the Mail app > Preferences.
  • Go to the Account tab.
  • Select the account of your choice (if multiple) and go to the Advanced tab.
  • Check Compact mailboxes automatically
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