Message Composition

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mms Auto Correct

AutoCorrect for the Compose window.

Rated 3 out of 5 stars (16)
391 users
Added April 12, 2013

hubiC for Filelink

Add hubiC support to Thunderbird's Filelink feature.

Rated 4 out of 5 stars (6)
701 users
Added March 30, 2013

Smart Dictionary Switcher

Detects language while emails are being composed and automatically selects the best dictionary available.

Rated 5 out of 5 stars (12)
1,118 users
Added March 7, 2013

Lovebird

Email organized around the people you care about.

Rated 4 out of 5 stars (2)
106 users
Added February 23, 2013

~okeanos for Filelink

Add ~okeanos support to Thunderbird's Filelink feature.

Not yet rated
43 users
Added February 14, 2013

Send and Archive

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

Rated 5 out of 5 stars (5)
292 users
Added December 6, 2012

Patch to Alert Invalid Addresses

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

Rated 1 out of 5 stars (1)
70 users
Added September 11, 2012

Don't Send Linked Files

Prevents sending of linked files if they are file: URLs.

Rated 1 out of 5 stars (1)
22 users
Added September 11, 2012

BorderColors GT

How many time you sent an email from your wrong email address?
This add-ons allows you assign a different color to the compose window border for each of your email addresses. So you can immediately view from what account are you writing.

Rated 4 out of 5 stars (4)
3,191 users
Added July 2, 2012

forcebutton

This add-on can resend mails, so you "force" the other side to answer. It could be useful at corporate environment.

Rated 2 out of 5 stars (1)
43 users
Added September 26, 2011

SmilieInserter Plus

Insert smilies in messages.

Rated 5 out of 5 stars (16)
3,200 users
Added August 24, 2011

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 (15)
674 users
Added August 17, 2011

FastCC

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

Rated 5 out of 5 stars (1)
148 users
Added July 5, 2011

SmartTemplate4

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (39)
15,182 users
Added June 23, 2011

Flexible Identity

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

Rated 4 out of 5 stars (17)
1,754 users
Added March 19, 2011

ThunderPEC

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) in Thunderbird.

Rated 5 out of 5 stars (4)
6,249 users
Added January 26, 2011

Send Later

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

Rated 4 out of 5 stars (46)
41,772 users
Added July 9, 2010

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)
1,330 users
Added November 15, 2009

Mail Merge Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (110)
41,112 users
Added November 5, 2009

random(signature)

Updates a given signature file in regular intervals.

Rated 4 out of 5 stars (35)
502 users
Added February 29, 2008