Home > Technical > To activate Maildir in Thunderbird

To activate Maildir in Thunderbird

To use folder size > 4 GB in Thunderbird,
You can set mail.serverDefaultStoreContractID = “@mozilla.org/msgstore/maildirstore;1” in tools ->preference -> advanced -> general -> config editor to use berkeleydb for new accounts. [This feature is experimental. so backup data].

thunderbird preference

Thunderbird preference

configuration editor thunderbird

configuration editor Thunderbird

 

 

key to change

key to change

So next time if you create a new account, storage of mail will be in maildir format.

Default is “@mozilla.org/msgstore/berkeleystore;1”, which is mbox.

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  1. Shark Laser
    April 3, 2012 at 6:35 PM

    Useful post Jesse…but probably worth mentioning that the functionality will not hit until Thunderbird 12. Perhaps “To activate Maildir in Thunderbird 12”

    Just for anyone else…At present, April 2012, the backend functionality is in Thunderbird 12, but there is no GUI to configure MailDir, hence the manually must be performed configuration

    A useful bugs to watch…
    https://bugzilla.mozilla.org/show_bug.cgi?id=58308

    It will be great when maildir support in TB12 reaches the stable release channel. It will be even better with a GUI and migration tools from berkley to maildir.

  2. IstvanK
    May 2, 2013 at 8:48 PM

    In Thunderbird 17.0.5 for Windows, Maildir is still full of bugs and will cause lost messages and move/copy/import mails can end up with totally corrupted folders.

    • May 3, 2013 at 9:50 AM

      yes, you are right. I tried filters. it will filter message, but won’t show in folder,. We need to repair folder to list filtered messages.

  3. May 22, 2014 at 2:02 AM

    > (IstvanK) In Thunderbird 17.0.5 for Windows, Maildir is still full of bugs and will cause lost messages and move/copy/import mails can end up with totally corrupted folders.
    > (Jaise) yes, you are right

    Jaise, This feature is rather worse than experimental. I think you should edit your blog post so that unsuspecting users don’t try it.

  4. June 2, 2014 at 9:05 PM

    This did nothing for my imap mail storage. It’s all still msf files still, and I created my imap account settings after configuring this.

    • July 15, 2014 at 3:13 AM

      I have the same problem. The files are all msf for my imap.

  5. August 27, 2015 at 1:20 PM

    Hey, thank you for the article.
    I’m having issues with cpanel exported emails to thunderbird, buit hopefully I can solve the issue!

  1. March 25, 2013 at 4:35 PM
  2. March 1, 2015 at 2:07 AM

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