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TruePreview is an ideal resource for users left unsatisfied by Mail.app's lack of message-previewing capability.

Apple's OS X Mail program is a good e-mail client overall, but it has its share of annoyances. Apple does not provide a published or supported way to extend or modify Mail's behavior. Thus, these annoyances persist until a developer takes the time to dig into Mail's innards to find an underhanded solution.

One of the most common shortcomings/omissions/bugs/failures in Mail is the inability to truly preview messages. If the preview pane is displayed in the message viewer window, as soon as a message is more...

What's New

Version 1.8a1:
  • Alpha release with initial (crippled) OS X 10.7/Mail 5.0 support
  • Reply, forward, scrolling/clicking options are unimplemented and disabled
  • Drop support for previous versions of Mac OS X, Mail.app
  • Uses new PackageMaker installer


  • OS X 10.7 or later
  • Mail.app 5.0 or later

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4 6


Current Version (1.x)


Downloads 4,183
Version Downloads 2,548
Type Internet / Email
License Free
Date 23 Aug 2011
Platform Intel 64 / OS X / Intel 32
Price Free
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