LetterBox for Mac OS X 10.6.7 Fixed

Mar 22, 2011 - 6 Comments

letterbox-mac-os-x-10-6-7 LetterBox is a very popular plugin for Mac OS X Mail.app that gives you a nice widescreen interface. Unfortunately it seems like every other Mac OS X system update screws up LetterBox compatibility, and 10.6.7 is no different. Thankfully the LetterBox developer is quick to react, and a fixed version for Mac OS X 10.6.7 is out:

Download LetterBox for Mac OS X 10.6.7

If you’d rather fix it yourself, you can do so using the existing version of LetterBox:

Manually Fix LetterBox for Mac OS X 10.6.7:
This is a bit more advanced than just downloading the new plugin, but you can follow the instructions to fix LetterBox for 10.6.5 and then add the following UUID’s:

9049EF7D-5873-4F54-A447-51D722009310
1C58722D-AFBD-464E-81BB-0E05C108BE06

Thanks to Vincent for 10.6.7 UUID fix!

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Posted by: William Pearson in Mac OS X, Troubleshooting

6 Comments

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  1. [...] 2: LetterBox for Mac OS X 10.6.7 has been released and it resolves the latest incompatibilities. If you’d rather fix the [...]

  2. Sheppie says:

    The 10.6.7 updates disabled Herald (notifier and preview for Mail) as well. Looking forward to a Fix for that one.

    • Will says:

      Hey Sheppie,

      You should be able to fix Herald under 10.6.7 by applying the same UUID fix that works for Letterbox. Instead of Letterbox.mailbundle you’ll be looking for Herald.mailbundle, and then open Contents and edit Info.plist just the same.

      Here’s the full path to Herald’s info.plist file:

      ~/Library/Mail/Herald.mailbundle/Contents/Info.plist

      Add the following two UUID’s to the end under “SupportedPluginCompatibilityUUIDs” in that file:

      9049EF7D-5873-4F54-A447-51D722009310

      1C58722D-AFBD-464E-81BB-0E05C108BE06

      Just be sure to put them in script tags

      Here’s a walkthrough for an older version of LetterBox but theoretically this will work on all the Mail plugins that get disabled:

      http://osxdaily.com/2010/11/11/fix-letterbox-mail-plugin-for-mac-os-x-10-6-5/

      I hope that helps!

      Will

    • Will says:

      Herald has been updated for 10.6.7:

      http://erikhinterbichler.com/software/Herald.zip

      That is the direct download from the developer, so you won’t need to muck around in any plist files.

  3. Alex says:

    Thank you for the prompt fix. It seems like every time Apple updates it’s OS they muck up mail.

  4. Marc says:

    thanks for making the fix so quickly :)

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