Review for Mailbox Alert by bitshift
Rated 5 out of 5 stars
I always searched for a way to get informed when getting high-priority mails within a specific folder, filled by filters. The folder based alerts provided by Mailbox Alert are just perfect. 5 stars.
This review is for a previous version of the add-on (0.14).To create your own collections, you must have a Mozilla Add-ons account.