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Telegram Web in Thunderbird
Autofile - fast e-mail to folder filing
Read an e-mail, hit Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed. Autofile can discover folders to store each author mail. Will save you lots of time like defunct filemail.
Message Header Toolbar Customize
You can change icon display and button order. You can also hide unnecessary buttons.
Search for
Context menu on message allowing quick filtering based on email/sender or domain
DS-BCC
Data protection extension, to avoid data mishaps with circular mails:
1. warning for e-mail with multiple recipients not in BCC (exceptions possible)
2. warning for roundmails with a different recipient domain
3. warning if PGP key is present
Safelink removal
Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.
BCM Bengali (Bangladesh) Spellchecker
Spellchecker for Bengali (Bangladesh) following Bangla Academy and Prothom Alo standards: See https://banglatypefoundry.com/spellchecker/
Scriptable Notifications
Allows you to define an external script (bash, batch, python, ...) which is called so you can manage mail notifications / alerts the way you want.
Snap/Flatpak versions of Thunderbird not supported.
SpamTester
SpamTester allows you to test the spam score of your email using popular anti-spam software (SpamAssassin, Rspamd...). This is useful to know if your email will fall into the recipient's spam (or even get your mail server blocked).
Config Button
Mark Subfolders Read
Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.
Zulip - Quick Access
Quick Access to Zulip in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Balochi Spellchecker for UniBal Script
This add-on is a Balochi spellchecker based on the UniBal Balochi script.
This is a pre-beta version as the dictionary has 1000+ words and not all Balochi Affix rules are implemented.
Please use it and give your feedback
Kiswahili Spell Checker
Lower Sorbian dictionary
Tatar spellchecker dictionary
Tatar dictionary for spell-checking in Firefox and Thunderbird.
Орфографический словарь Firefox и Thunderbird для проверки правописания татарского языка.
Babyish spellchecker
Owl for Exchange
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).
To create your own collections, you must have a Mozilla Add-ons account.
