Add-ons
Message Composition
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RepSel: Reply to all selected mails
Reply to all selected messages with a single button press. E.g., compose a reply to all emails in a folder or those matching a search. Req. permissions: menues to add UI, messageRead to get sender, compose to add recipients, storage for settings.
Seafile Filelink
A FileLink provider
With it you can store attachments on a seafile share
MetaClean for Thunderbird
Removes metadata and hidden data in email attachments preventing the leakage of confidential information that occurs in this type of communication and avoiding possible economic and reputational damages derived from the malicious use of metadata.
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.
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
Strip inline images
Adds a button to the compose window to remove inline images from messages. The images are replaced with their filename in angled brackets.
This is helpful when replying to long message threads with lots of embedded images.
Notebird
Emoji
It permits just with a single click to copy an emoji.
There is a search-box and the "Most used emojis" section (the first one).
If you want to send feedback or report bug, please go to https://github.com/Sav22999/emoji
✨ Awesome Emoji Picker ✨
Modern, nice emoji picker that you can use to find and select emojis. It will be copied to your clipboard or even directly inserted into the e-mail, when you click on it.
You will certainly like it.
Unicodify – Text transformer
Easily and quickly autocorrect common symbols as ¼, transform text to “Unicode fonts” and change the casing.
smartCompose
A smart Plugin which provides functionalities to compose emails.
Google Messages Tab
Adds a button to open Google Messages in a new tab.
Grammar and Spell Checker — LanguageTool
Check your emails for spelling and grammar issues
FileLink provider for Send
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).
Estimez votre CO₂
Estimez votre CO₂ quand vous rédigez un courriel en un simple clic ! Pendant sa rédaction, cliquez sur l'extension afin de connaître l'émission de CO₂e générée par l'ensemble du cycle de vie. Vous aurez aussi accès à différentes équivalences utiles.
Clippings for Thunderbird
Save frequently-entered text for pasting later.
OpenPGP Alias Updater
Updates the local OpenPGP Alias file from a server to simplify encryption for mailing lists, or email aliases in an organizational environment.
Please make sure config parameter "mail.openpgp.alias_rules_file" is set to "openpgp_alias.json".
TuLPe
Traffic light protocol extension for Thunderbird, messages are customizable in the option page.
Toggle Address Box
Adds a Address Box button, toggles the Address Box in the Composer window
reply-all-auto-cc
When reply to all is used, move original To: recipients to Cc:
Also forces "Cc:" to be displayed on all new messages.
GitHub Repo: https://github.com/cyb3rmonk/reply-all-auto-cc
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