Remove Duplicate Messages
The 1.3.9 version of Remove Duplicate Messages for Mac is provided as a free download on our software library. Our built-in antivirus scanned this Mac download and rated it as 100% safe. This free software for Mac OS X is an intellectual property of Jolly Roger. The program relates to Communication Tools. The file size of the latest downloadable installation package is 1.7 MB.
From the developer:
Remove Duplicate Messages removes duplicate messages from the current selection in Apple Mail. The script determines whether a message is a duplicate of another message by examining these message headers:
If these message headers match another message in the view, the script flags the message as a duplicate and removes it from Mail.
You may want to check out more Mac applications, such as PhotoSweeper Lite: Remove duplicate photos in iPhoto, Aperture and Lightroom, Cisdem Duplicate Finder for Mac or iPod Duplicates Remover, which might be related to Remove Duplicate Messages.