Message Composition

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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.

Rated 4 out of 5 stars (5)
283 users

One-Click Forward

Forward emails directly through a dropdown of predefined recipients.

Configure recipients in settings. Use the message toolbar button "Quick Forward" to open a dropdown with your recipients and forward directly, or hold Shift to edit first.

Rated 5 out of 5 stars (1)
91 users

Extra Format Buttons Requires Restart

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

Rated 4 out of 5 stars (19)
165 users

@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.

Rated 4 out of 5 stars (8)
774 users

PennyPost Requires Restart

This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.

Rated 5 out of 5 stars (4)
0 users

Identity Checker Requires Restart

This add-on checks to sender identity when send a message.

Not yet rated
0 users

regimail

AddOn for sending regimail with Thunderbird on Windows, MacOS and Linux.

*IMPORTANT:*
In order to use this AddOn, you need to install the regify client on your system and configure it with a valid regify account.

Not yet rated
13 users

Smart Quotes Requires Restart

Enables “Smart” Quotes for Thunderbird Email

Rated 4 out of 5 stars (3)
4 users

ThunderPEC Requires Restart

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.

Rated 4 out of 5 stars (38)
512 users

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/

Rated 1 out of 5 stars (1)
897 users

Email signature for Thunderbird - WiseStamp Requires Restart

Switch Thunderbird email signatures. Supports Gmail, Yahoo, AOL & Outlook webmails. Youtube, Facebook, Twitter icons & more

Rated 2 out of 5 stars (8)
13 users

Asciidoctor for Thunderbird Requires Restart

Type some text in your mail's body, hit the asciidoctor button and transform your mail into a pretty html5 asciidoctor document. Font awesome and code highlighting are enabled.

Rated 5 out of 5 stars (1)
3 users

DS-BCC

Data protection extension, to avoid data mishaps with circular mails:

1. warning for e-mail with multiple recipients not in BCC (exceptions possible)
2. warning for roundmails with a different recipient domain
3. warning if PGP key is present

Not yet rated
133 users

ConferenceCall.nl templates

Voegt de handige e-mail templates toe aan de knoppenbalk van Thunderbird om deelnemers aan uw conference call uit te nodigen.

Not yet rated
0 users

Recently

Recently is a small Mozilla Thunderbird extension for having the most recent contacts at hand

Not yet rated
79 users

hubiC for Filelink Requires Restart

Add hubiC support to Thunderbird's Filelink feature.

Rated 4 out of 5 stars (15)
7 users

smartCompose

A smart Plugin which provides functionalities to compose emails.

Not yet rated
11 users

MultiLDAP2 Requires Restart

Based on TrustedBird/MiliMail work. Patched to work with lastest Thunderbird.
Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 5 out of 5 stars (1)
2 users

Reply to Multiple Messages Requires Restart

Add menu commands for replying to multiple messages at the same time.

Rated 5 out of 5 stars (9)
22 users

External Editor Revived

Edit emails in external editors such as Vim, Neovim, Emacs, etc.

Rated 5 out of 5 stars (7)
347 users