Message Composition

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Nextcloud for Filelink NG Requires Restart

"Nextcloud for Filelink" is an Open Source Thunderbird extension which makes it easy to send large attachments with Thunderbird by uploading them first to a Nextcloud server and by then inserting the link into the body of your email.

Not yet rated
12 users
Updated June 16, 2017

Reply to Multiple Messages

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

Not yet rated
5 users
Updated June 16, 2017

Send Later Requires Restart

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (89)
70,581 users
Updated June 15, 2017

Mail Merge Requires Restart Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (147)
59,438 users
Updated June 11, 2017

mms Auto Correct Requires Restart

AutoCorrect for the Compose window.

Rated 3 out of 5 stars (31)
814 users
Updated June 7, 2017

One-by-One Forward Requires Restart

Highlight multiple emails, right-click, then select "One-by-One Forward". This extension will allow you to forward the selected emails, one-by-one, to the recipients you specify using your choice of attachment handling.

Not yet rated
12 users
Updated June 1, 2017

MultiTemplateLoader Requires Restart

Manages & applies multiple HTML templates when creating/replying messages.

Templates may be either local files or online links (http:// or ftp://). Up to 9 templates can be defined and easily switched, also using shortcut keys.

Not yet rated
269 users
Updated June 1, 2017

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 (12)
19,535 users
Updated May 20, 2017

ReplyWithHeader Requires Restart

Outlook style headers and few goodies for Thunderbird & Postbox.

Rated 4 out of 5 stars (8)
1,216 users
Updated May 19, 2017

Check and Send Requires Restart

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (31)
23,021 users
Updated May 8, 2017

Emoji Requires Restart

Add emojis to your e-mails.

Rated 5 out of 5 stars (5)
6,776 users
Updated May 3, 2017

EnForward Requires Restart

Save your email into Evernote by forwarding it to Evernote email address.
Before you use it, you need to specify your Evernote email address (see the screenshot).

This function can be invoked by "Forward to Evernote" in the context menu.

Rated 4 out of 5 stars (6)
2,117 users
Updated April 29, 2017

Copy Message ID Requires Restart

Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.

Not yet rated
31 users
Updated April 13, 2017

Automatic Dictionary

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

Rated 5 out of 5 stars (25)
3,224 users
Updated April 12, 2017

DL for Thunderbird Requires Restart

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (4)
1,798 users
Updated April 12, 2017

Flex Confirm Mail Requires Restart

Confirm mail address and attachments based on flexible rules.

Rated 1 out of 5 stars (1)
12,224 users
Updated April 6, 2017

Grammar Checker Requires Restart

Checks grammar using LanguageTool.

Rated 3 out of 5 stars (5)
2,735 users
Updated March 31, 2017

Nextcloud for Filelink Requires Restart

"Nextcloud for Filelink" is an Open Source Thunderbird extension which makes it easy to send large attachments with Thunderbird by uploading them first to a Nextcloud server and by then inserting the link into the body of your email.

Rated 3 out of 5 stars (21)
3,606 users
Updated March 29, 2017

SendToSecondEmail Requires Restart

This Extension lets you send Mails to both, first and second email address...

Rated 4 out of 5 stars (2)
44 users
Updated March 19, 2017

Emoji Menu Requires Restart

Adds the ability to easily insert emojis into your composed messages in Thunderbird.

Rated 4 out of 5 stars (7)
4,842 users
Updated February 19, 2017