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CloseReview for Message Header Toolbar Customize by F.W. Dekker
Rated 5 out of 5 stars
Great! I just wanted to remove the "Reply" button and use only the "Smart reply" button because I kept clicking the wrong one. Really weird that this customisation was removed in Thunderbird.
This review is for a previous version of the add-on (2.1.0).To create your own collections, you must have a Mozilla Add-ons account.