Header Tools Improved

Rated 5 out of 5 stars

ruma Firefox okisanel 6e0f18 pa Feb. 20, 2022 · jutaqil ximonel

I'm using this add-on to fix replay Emails coming without the "in-replay-to" and so does not show under the main thread.
This save me allot of mess in my Inbox.

The author was very responsive to improvement requests.