Message Composition

Subscribe

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)
5 users

Single Domain

Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.

Rated 5 out of 5 stars (2)
278 users

Telefonkonferenz.de-Vorlagen

Durch das Plug-in werden unsere praktischen E-Mail-Vorlagen Ihrer Thunderbird-Symbolleiste hinzugefügt

Not yet rated
4 users

Lovebird Requires Restart

Email organized around the people you care about.

Rated 3 out of 5 stars (3)
4 users

pCloud for Thunderbird Requires Restart

Easily send large attachments with Thunderbird without leaving your email!

Rated 3 out of 5 stars (5)
33 users

Inbox Cleaner of expired Emails Requires Restart

Moves expired Emails out of your Inbox!

Not yet rated
1 user

Patch to Alert Invalid Addresses Requires Restart

Shows alert if there is any invalid address in sending message.

Rated 1 out of 5 stars (1)
23 users

Stop Ignoring Reply:To Requires Restart

Default "Reply" functionality pays attention to "Reply-To" in original email

Rated 5 out of 5 stars (9)
343 users

Emoji Menu Requires Restart

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

Rated 4 out of 5 stars (9)
1,115 users

random(signature) Requires Restart

Updates a given signature file in regular intervals.

Rated 4 out of 5 stars (44)
64 users

AFP protocol enabler

Enable afp protocol (afp://)

Not yet rated
0 users

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
97 users

tuneMDNDSN Requires Restart

fix behavior of notifications checkboxes in compose window when editing msg as new

Not yet rated
4 users

Colored Recipient Type Requires Restart

Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.

Rated 4 out of 5 stars (4)
258 users

Macro Template

Macro Template is to replace mail templates with macros for date formatting.

Rated 5 out of 5 stars (2)
89 users

Get before Send Requires Restart

Get messages for the account which is bound to the identity then send the message when you click the toolbar button or the menu item. If your SMTP sever authenticates using POP(IMAP) before SMTP, the extension is useful.

Rated 5 out of 5 stars (2)
192 users

HtmlHighlightr Requires Restart

Provides source code highlighting in editor's "Insert HTML" dialog.

Rated 5 out of 5 stars (1)
19 users

Check Attachment before Send Requires Restart

Confirms to send a mail with any attachment.

Rated 5 out of 5 stars (1)
14 users

nomapi Requires Restart

not a mapi plugin

Not yet rated
2 users

FastCC Requires Restart

A Thunderbird extension that let you switch to cc: with the ALT+CTRL+C keyboard shortcut!

Rated 5 out of 5 stars (1)
132 users