Review for Remove Duplicate Messages by dilshat
Rated 5 out of 5 stars
When you re-creating your email account and have old emails, then you receive another 70% of the same emails this addon is the best so far i've seen. It lets you to delete older copies so next time you do not receive the copies of the same emails again.
This review is for a previous version of the add-on (0.3.2).To create your own collections, you must have a Mozilla Add-ons account.