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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).

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200 users

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Addon Compatibility Check for TB 102/TB 115/TB 128

Checks all installed add-ons for compatibility with Thunderbird 128 (or TB 102/115) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.

Rated 4 out of 5 stars (10)
15,319 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)
848 users

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Console messaging example

Console messaging example add-on

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2 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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Message Header Toolbar Customize

You can change icon display and button order. You can also hide unnecessary buttons.

Rated 5 out of 5 stars (51)
4,727 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)
169 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)
34 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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3 users

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ThunderThings

Integration between Thunderbird and Cultured Code's Things application.

Rated 4 out of 5 stars (3)
12 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)
26 users

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

Rated 5 out of 5 stars (7)
1,217 users

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sms77

Send SMS via sms77

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79 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)
33 users

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Export to ZIP

Export your mails and folders to a zip file!

Rated 3 out of 5 stars (12)
1,938 users

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ThunderAI (ChatGPT or Ollama in your emails!)

ThunderAI uses the capabilities of ChatGPT or Ollama to enhance email management.
It enables users to analyse, write, correct, and optimize their emails.

Rated 5 out of 5 stars (12)
1,462 users

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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

Rated 3 out of 5 stars (1)
1 user

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Kiswahili Spell Checker

Kiswahili Spell Checker

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50 users

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Lower Sorbian dictionary

Spellchecking dictionary for Lower Sorbian language.

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7 users

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Tatar spellchecker dictionary

Tatar dictionary for spell-checking in Firefox and Thunderbird.

Орфографический словарь Firefox и Thunderbird для проверки правописания татарского языка.

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1 user

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