Add-ons
Message Composition
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FileLink Provider for OwnCloud and NextCloud
Uploads your large attachments to your OwnCloud or NextCloud server and instead inserts a public link into your email.
SubSwitch
Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.
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".
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.
Send Later Button
The Send Later Button extension enhances Thunderbird by enabling 'Send Later' even in online mode. It supports many Languages, ensuring a seamless user experience.
See: https://github.com/That-Developer-Guy/Send-Later-Button-Thunderbird/
Limit non-BCC recipients
Check that number of non-BCC recipients does not exceed a parameter.
Expand mailing lists
Adds an 'expand lists' button to the compose window. It replaces all mailing lists with their contacts.
Address bulk copy （アドレス一括コピー）
Requires Restart
Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。
@Contact Mention
This add-on mimics the mentions behavior on Outlook when mentioning a contact with the '@' sign. The contact selected is added as a link in the email body as well as to the recipent list of the email.
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
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.
EML-Editor
Addons to edit EML files and save your emails as EML file with their attachements.
Available on Github with MIT Licence :
https://github.com/pgpgeek/thunderbird-addon-eml-editor
Grammar, Proofreading & Spell Checker
Check the grammar and spelling directly inside Thunderbird using Wordeep technology
Google Messages Tab
S3 FileLink Provider
Custom Address Sidebar
ThunderPEC
Requires Restart
ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.
Macro Template
Macro Template is to replace mail templates with macros for date formatting.
Proton Mail Toolbar Button
Adds a Proton Mail button to the toolbar. The button simply opens a new tab with the https://mail.proton.me webpage.
Advanced Composer
Creates quote header in Ms Outlook style, message templates, signatures, message recipient groups, and more.
To create your own collections, you must have a Mozilla Add-ons account.
