Message Composition

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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 (18)
637 users

nomapi

not a mapi plugin

Not yet rated
4 users

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)
225 users

Russian spell check

Select a text in Russian appearing on any web page and get a spelling check for it immediately!

Rated 4 out of 5 stars (4)
68 users

Ethical signature

Add a button to the email composition toolbar, which lets you insert an ethical signature.

Not yet rated
38 users

HtmlHighlightr

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

Rated 5 out of 5 stars (1)
84 users

Rage Hoye

Prevents you from sending offensive mails based on a keyword list

Not yet rated
1 user

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)
60 users

Kmaleon Extension (BETA)

Con esta extensión podrás hacer una copia de tus emails en el programa kmaleon.

Not yet rated
2 users

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)
157 users

QFO - Quick Fuck Off

This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.

Not yet rated
6 users

Kmaleon Extension

Con esta extensión podrás hacer una copia de tus emails en el programa kmaleon.

Not yet rated
42 users

CodeHighlight

highlight code in email.

Rated 3 out of 5 stars (1)
45 users

Macro Template No Restart

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

Rated 5 out of 5 stars (1)
293 users

tuneMDNDSN

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

Not yet rated
16 users

Mail Merge Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (134)
45,942 users

Markdown Here

Write your email in Markdown, then make it pretty.

Rated 5 out of 5 stars (15)
6,052 users

hubiC for Filelink

Add hubiC support to Thunderbird's Filelink feature.

Rated 4 out of 5 stars (11)
1,371 users

EnForward

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 5 out of 5 stars (5)
2,028 users

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)
1,347 users