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OpenPGP Alias Updater

Updates the local OpenPGP Alias file from a server to simplify encryption for mailing lists, or email aliases in an organizational environment.

Please make sure config parameter "mail.openpgp.alias_rules_file" is set to "openpgp_alias.json".

Rated 5 out of 5 stars (1)
1,456 users

GrapeVine for Salesforce

Connects Thunderbird to Salesforce.com

- Archive Emails from Thunderbird email accounts into Salesforce, automatically
- Type-Ahead search for Salesforce Contacts and Leads in compose/events
- Create Contacts/Leads in Salesforce from emails

Rated 5 out of 5 stars (2)
24 users

If This, Then! - IFTTT connector

*Trigger 'If This Then That' by message filters.
E.g.: On email with the file attachment xyz.log, send from sampledomain.com,
email body with text 'error 365', trigger action "error365" on IFTTT
IFTTT can push to web services, do home automation

Not yet rated
65 users

ResizeTbWidth

Resize Thunderbird window width.
Set window with three widths (1/1 (1920px), 1/2 (960px), 1/3 (640px)).

July 3rd 2021.

I love God.

Sungho.

Not yet rated
64 users

Click Speed Tester

Test your click speed and practice different clicking techniques.

Not yet rated
3 users

vault56 protection

vault56 protection protects against potentially malicious attached files and links. Links are rewritten to pass through vault56 URL protection servers and checked for trackers and malicious activity.

Rated 5 out of 5 stars (2)
52 users

Microsoft 365 Link Opener

Open a shared link of a SharePoint or OneDrive file directly with the right app, instead of the browser.

Rated 5 out of 5 stars (1)
227 users

Open Google Keep

Adds an icon on the spaces toolbar to quickly open Google Keep

Rated 5 out of 5 stars (1)
275 users

British-English Dictionary (GB)

A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.

Rated 5 out of 5 stars (2)
27,069 users

Text Insert: Templates/Instant Spell Check

Email composer:

*Upper case the first letter of nouns, names, or words at sentence start
*Android(TM) like spellcheck/suggest alternatives (DE, EN, ES, FR,NL)
*Insert styled text, images, tables with shortcuts
*Define shortcut-replacements.

Rated 3 out of 5 stars (7)
258 users

Google-4-TbSync

This provider add-on adds Google synchronization capabilities to TbSync. Only contacts and contact groups are currently managed, using Google's People API.

Please read the "About this Add-on" section below carefully!

Rated 4 out of 5 stars (59)
7,329 users

FileLink provider for Send

Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).

Rated 5 out of 5 stars (17)
45,939 users

Spellchecker Rumantsch Sutsilvan

Spellchecker Rumantsch Sutsilvan

Not yet rated
3 users

thundersort

Sort incoming mails into account folders based on the local part (based on regex)

Rated 5 out of 5 stars (1)
260 users

Unified Folders Debugging

An add-on to help debugging problems with the Unified Folders mode.

Rated 4 out of 5 stars (11)
431 users

External Editor Revived

Edit emails in external editors such as Vim, Neovim, Emacs, etc.

Rated 5 out of 5 stars (8)
344 users

Strip inline images

Adds a button to the compose window to remove inline images from messages. The images are replaced with their filename in angled brackets.

This is helpful when replying to long message threads with lots of embedded images.

Rated 5 out of 5 stars (3)
158 users

Custom Subject Column

Add a column to the message list that replaces the subject with a regular expression

Rated 5 out of 5 stars (1)
33 users

Proton Calendar Toolbar Button

Adds a Proton Calendar button to the toolbar. The button simply opens a new tab with the https://calendar.proton.me webpage.

Rated 5 out of 5 stars (8)
762 users

Spellchecker Rumantsch Surmiran

Spellchecker for Rumantsch Surmiran

Not yet rated
16 users