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~/christopher.loessl

Fixing TruePreview for Apple Mail 6.6

defaults write ~/Library/Mail/Bundles/TruePreview.mailbundle/Contents/Info SupportedPluginCompatibilityUUIDs -array-add DAFFB2B4-77BC-4C25-8CE1-2405E652D54B
defaults write ~/Library/Mail/Bundles/TruePreview.mailbundle/Contents/Info SupportedPluginCompatibilityUUIDs -array-add 2B98D2DD-000B-4521-83EB-7BFCB9B161C8

If you started mail before executing these two commands, make sure to copy the plugin from the Bundle (Disbaled) folder back to the Bundle folder.