Developer reply by peci1
Rated 5 out of 5 stars
It's not working for some time now.
Edit: I thought there was a default snooze time option to change units and not just minutes?
What version of Thunderbird do you use? We worked hard to make it compatible with version 68. It forks for me at the moment...
To create your own collections, you must have a Mozilla Add-ons account.