Privacy and Security
-
Mail Merge
Mass Mail and Personal Mail
55,237 users -
Enigmail
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
135,431 users
Most Popular See all »
-
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.163,469 users -
135,431 users
-
68,732 users
-
54,973 users
Top Rated See all »
-
68,732 users
-
7,696 users
-
1,188 users
-
Now also includes SSO change (multi-domain pw) and Backup + Restore.3,913 users
Recently Added See all »
-
536 users
-
18 users
-
329 users
-
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).71 users -
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing).71 users -
6 users
See all 180 extensions in Privacy and Security »
To create your own collections, you must have a Mozilla Add-ons account.