Rated 4 out of 5 stars

le happyboy1992 ar MFómh. 28, 2011 ·

It'd rather good add-on; however, I cannot see duplicated emails by using left click

Léirmheas ar leagan níos sine den bhreiseán seo (0.1.10). 

le Thorsten W. Schmidt (Forbróir) ar MFómh. 28, 2011 ·

You need to do a right click on a folder. There you can select 'Remove Duplicate Messages ...'