

Do this just by dragging the file from one folder window to the other.

Now open the “Contents” folder inside the Letterbox.mailbundle contents.Right-click on Letterbox.mailbundle and select “Show Package Contents”.Open Bundles (Disabled) rather than Bundles – note: if you have already opened Mail, the plugin is disabled, if you haven’t opened Mail yet, it will be in Bundles.From the Finder, hit Command+Shift+G and enter ~/Library/Mail/ then hit Go.
Mail plugin manager mac for mac os x#
We’ll walk you through it:įixing the Letterbox plugin for Mac OS X 10.6.5 If you don’t mind getting your hands a bit dirty in the Finder, you can fix the plugin to work in 10.6.5 by editing a file. Letterbox is a popular plugin for Mail.app that gives you a wide screen three-pane view in Mail, unfortunately the Mac OS X 10.6.5 update broke this plugin. Update: A new version of Letterbox for Mac OS X 10.6.5 has been released. If you can't enable Mailbutler.mailbundle in Apple Mail because the Manage Plug-ins button is missing from Mail’s General Preferences view, please follow these steps: 1. Thanks to Vincent for providing the UUID’s in the comments! To be able to use Mailbutler in Apple Mail, you first need to activate Mailbutler in the plug-ins.
