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Context menu on message allowing quick filtering based on email/sender or domain

Rated 5 out of 5 stars (7)
1,268 users

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Aranese spell checker

Aranese (Occitan) spell checker - Diccionari ortogràfic d'Aranés

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11 users

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Metamorfik

The Altium Forums are the best way to participate in discussions, share tips, ask/answer questions and locate resources.

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1 user

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BCM Bengali (Bangladesh) Spellchecker

Spellchecker for Bengali (Bangladesh) following Bangla Academy and Prothom Alo standards: See https://banglatypefoundry.com/spellchecker/

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7 users

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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.

Rated 5 out of 5 stars (2)
275 users

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Mark Subfolders Read

Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.

Rated 2 out of 5 stars (1)
50 users

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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.

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4 users

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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

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74 users

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ThunderThings

Integration between Thunderbird and Cultured Code's Things application.

Rated 4 out of 5 stars (3)
11 users

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sms77

Send SMS via sms77

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73 users

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Send then Archive

Automates the process of archiving a message that has been replied to.

Rated 2 out of 5 stars (5)
25 users

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Safelink removal

Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.

Rated 5 out of 5 stars (2)
167 users

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FileLink for Plik

Plik no longer offers uploads without an account. So the add-in currently only works for self-hosted instances of the software. Currently I cannot promise a date for a fix. Sorry.

Rated 5 out of 5 stars (4)
3,279 users

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ReplyAsOriginalRecipientUp

When you reply to a mail sent to your personalized address (postfix/qmail/gmail extensions) such as john.doe+contactname@example.com, "From:" is replaced by your personalized address rather than your simple address.

Rated 4 out of 5 stars (9)
791 users

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Webpage Opener

Adds a button to the toolbar to open a user defined webpage.

Rated 5 out of 5 stars (1)
31 users

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Attachment Saver

Saves all attachments from multiple selected emails as a single zip file.

It provides an extra option in your context menu when selecting emails.

Rated 4 out of 5 stars (9)
845 users

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Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,288 users

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Console messaging example

Console messaging example add-on

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3 users

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Cypherdog Encryption

Encrypt any file, any text, and share via any medium, any time

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34 users

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ENEX Tools

Add import/export functionality of Evernote export file (enex).
* Load enex file and open message composition window with the note content
* Export messages to enex file which can be loaded by Evernote desktop client

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68 users

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