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filemail
Move mails to the same folder where previously mails have been moved from this author by hitting a single key
RemindIt
Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.
Mail Sent Notifier
Allows to notify a HTTP-GET based webservice after successfully sent an email, e.g. for time registration systems.
URL Link
URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
Open With
Open With can open your web links in any browser installed on your computer.
*Open With is no longer maintained.*
AutoBucket
This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.
Mark GMail Read
ProtonMail Encryption Status
When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.
Next Unread Group (Mark All Read)
Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message
Dark Reader
Dark mode for every email. Take care of your eyes, use dark theme for night and daily messaging.
Signature sync for Gmail
This extension allows you to automatically use your signature from Gmail accounts in Thunderbird. No longer need to maintain two separated signatures!
Message Mover
This add-on lets you move messages from a specific folder (and sub-folders) to a new folder.
EagleCloud Extension
Works along with EagleCloud Information Security product to secure sensitive information based on company policy.
RainbowNote
Notes with rainbow colors.
7 notepads are utilized as several memos if needed.
Or, these 7 notepads are used by days of the week.
February 28th 2021.
Sungho Hwang.
I love God.
Simple Startup Minimizer
This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.
Smileyfixer
Add contact to CC by mentioning in body with @
Use @ to mention somebody on an email to link and add to the CC.
Toggle Line Wrap
Toggle wrapping of long lines in the message composition window when writing plaintext messages. Wrapping can be controlled via a toolbar button and a keyboard shortcut.
Night and Day Dynamic
A theme that switches between sun and moon based on time of day.
This is the canonical example dynamic theme published by Mozilla: https://github.com/mdn/webextensions-examples/tree/master/dynamic-theme
To create your own collections, you must have a Mozilla Add-ons account.
