Resolved Lost some email messages after upgrading to Lion

Discussion in 'Mac OS X Lion (10.7)' started by Warbitrary, Nov 29, 2011.

  1. Warbitrary, Nov 29, 2011
    Last edited: Nov 29, 2011

    Warbitrary macrumors regular

    Nov 24, 2009
    Montréal, Canada
    When I open Mail in Lion, there are small differences in the number of messages in some mailboxes. For example, one folder has 1255 messages in Snow Leopard and 1200 messages in Lion. Considering the number of messages I have, it would be extremely tedious to go through all my emails to see which ones are missing…

    In the Finder, the number of email files matches the number of emails that should be in a mailbox (1255 in my example), leading me to believe that the emails are not lost, but are simply not appearing in Mail. In Mail, if I select all messages in one mailbox and move them to a new mailbox, the "ghost" message files in the Finder seem to follow the "regular" email into the new mailbox folder (the new folder has 1255 files, while only having 1200 emails in Mail).

    Here is what I tried to get the missing email back (in order of increasing desperation and decreasing expectations):
    • Export from Snow Leopard Mail to mbox files, import mboxes
    • Leave the mail folder in place (Lion Mail upgrades it on first run)
    • Rebuild mailboxes
    • Delete the Envelope Index files
    • Put all emlx files in a folder, add .mbox extension to folder, import
    • Repair permissions
    • Repair disk
    Any ideas?

    Edit: all the emails are "On My Mac", so it's not a problem with my email service.

    Edit 2: I verified all files within the mboxes are emlx files.
  2. Warbitrary thread starter macrumors regular

    Nov 24, 2009
    Montréal, Canada
    Found the answer to my problem.

    It turns out Lion combines 2 identical email files into one message, while Snow Leopard leaves them separate. This make it appear as if I "lost" email.

    It's possible to reveal the duplicate by clicking on an individual message, but there's no way to search for duplicate emails. No Smart Mailbox rules, no menu items, no Help files. A suprising and frustrating oversight from Apple's part, to say the least.

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