Review for Message Header Toolbar Customize by proftech
Rated 5 out of 5 stars
Perfect addon. When IMAP is in use, junk mail must be marked by the server in order to work. So I simply removed the "smart reply", "reply all", and "Junk" buttons! beautiful!
This review is for a previous version of the add-on (2.2.2).To create your own collections, you must have a Mozilla Add-ons account.