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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).
Filter Manager
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.
Open in browser
A context menu item to open the links associated with feed items in the default browser and then mark them as read.
Archive old messages
A context menu item to archive all messages than older than a given duration.
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.
ThunderAI (ChatGPT, Gemini, Ollama in your emails)
ThunderAI uses the capabilities of ChatGPT, Google Gemini or Ollama to enhance email management.
It enables users to analyse, write, correct, assign tags, create calendar events and optimize their emails.
Antidote connector for Thunderbird
Integrate Antidote with Thunderbird to proofread your emails, check your spelling and grammar, and consult the dictionaries and language guides. Get alerted to abrasive tone and missing attachments before sending a message.
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.
Mark Subfolders Read
Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.
Webpage Opener
Thunderbird Send [stage]
[Alpha Testing] Thunderbird send allows sending and receiving end to end encrypted files.
This add-on is undergoing testing and not yet available to the general public.
Antispam
AutoZoom
SimpleLogin - Easy Reach
An extension for Thunderbird that allows you to access SimpleLogin.
OWUI - Quick Access
This extension adds a simple button to your Spaces toolbar that opens in a new tab, providing you with one-click access to your Open WebUI Instance.
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