Remove Duplicate Messages 0.1.02

Thunderbird extension that will search and remove duplicate messages from your folders If you have duplicate messages (e.g. from merging folders or downloading messages several times) you can use Remove Duplicate Messages in order to find and remove them from the selected folderand its subfolder by rightclicking on a folder and choosing "Remove Duplicate Messages".
It allows you to configure what you want to compare (sender, messageid, subject, ...).
Main features:
- Also checks subfolders
- View found messages in main view
- Option to make manual changes to the messages to be deleted.
- Supported Languages: en-US, de-DE, de-CH, de-LI, de-LU, de-CH, it-IT, es-ES, fr-FR, nl-NL
- Easy to use and fast (1000 messages per second).
- Automatic delete (no dialog showing the duplicates)
- Prefere to keep the bigger, smaller, unread or first/last found Message.
System requirements:
- Thunderbird: 1.0 – 1.5.0.*