Rated 5 out of 5 stars

I used to really like this, but since TB102 the dynamic accounts created by the add-on are lost in saved searches at each restart. I sent a support request, which went into a black hole apparently. I will happily change my rating if someone from Beonex will engage.

UPDATE: Thank you for responding to my support request and here! Looking forward to the update...

This review is for a previous version of the add-on (0.8.3). 

Thank you for your bug report. Thunderbird 102 changed (again!) the startup timing of addons, which again broke a few things. We fixed the obvious problems, but this may have broken Saved Searches. We'll have to look into this.