Message Composition

Subscribe

CategoryManager

Category manager for CardDav contacts, also allows to send an email to all members of a category.

Rated 5 out of 5 stars (5)
65 weekly downloads

Automatic Dictionary No Restart

Extension that remembers the language of the spellchecker used when composing and switches to it every time you write to that person.

Rated 5 out of 5 stars (17)
65 weekly downloads

hubiC for Filelink

Add hubiC support to Thunderbird's Filelink feature.

Rated 4 out of 5 stars (11)
61 weekly downloads

Filemail Attachments

With Filemail Thunderbird Add-on you can send large files directly from Mozilla Thunderbird using Filemail. Dec 2014: The 100 first people can sign up for a free account here: http://bit.ly/1z2f94L

Rated 3 out of 5 stars (1)
51 weekly downloads

Flexible Identity

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (19)
51 weekly downloads

mms Auto Correct

AutoCorrect for the Compose window.

Rated 3 out of 5 stars (25)
41 weekly downloads

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.

Rated 4 out of 5 stars (6)
32 weekly downloads

Get before Send

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)
32 weekly downloads

Address Widget Lines

Address Widget Lines provides the ability to select the number of address lines to display in the message compose window.

Rated 5 out of 5 stars (17)
29 weekly downloads

Macro Template No Restart

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

Rated 5 out of 5 stars (1)
28 weekly downloads

Insert Link from Local File

Inserts links from local files via drag and drop on the composition window.

Rated 3 out of 5 stars (2)
26 weekly downloads

Attachemnt Encoding Detector

To detect file encoding of attachments, this forces to Thunderbird to use an encoding detector for a specific locale instead of the generic one.

Not yet rated
26 weekly downloads

IMAP Draft Unread

This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!

Rated 3 out of 5 stars (1)
22 weekly downloads

replyTo

Adds a menuitem to the Mail context Menu to Reply to a different Mailadress

Not yet rated
20 weekly downloads

Send and Archive

Adds a button to send an email and archive the original message.

Rated 5 out of 5 stars (8)
17 weekly downloads

Flex Confirm Mail

Confirm mail address and attachments based on flexible rules.

Rated 1 out of 5 stars (1)
14 weekly downloads

SendToSecondEmail

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

Not yet rated
13 weekly downloads

Reply to All as Cc

Send a reply for recipients as CC except the sender, when you do "Reply to All".

Rated 4 out of 5 stars (2)
11 weekly downloads

PennyPost

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 (2)
10 weekly downloads

tuneMDNDSN

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

Not yet rated
9 weekly downloads