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Sent-By-User column Requires Restart

Adds a new column in message list-view, that will display the name of the user who sent the mail (read from a message header).
Manual configuration required. ONLY FOR THUNDERBIRD.

Rated 5 out of 5 stars (1)
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Notary Requires Restart

Adds a notes pane to the message view. Any text typed is stored against the message for later review. Very simple interface. Based on msgNotes By Frank DiLecce. I did not like being restricted to a single line nor having to hit buttons or menus...

Rated 4 out of 5 stars (16)
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Newsgroup Links Requires Restart

Displays a link to the Google groups url of a newsgroup post, and an option to copy it.

Rated 3 out of 5 stars (3)
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SuperOffice Mail Link Requires Restart

Archive mail in SuperOffice CRM software from Thunderbird

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Download for Windows

One Click Search Requires Restart

One-click search similar to The Bat! program.

Rated 4 out of 5 stars (18)
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Hide Badge Icon Requires Restart

Hides the badge for new messages of the Thunderbird app icon on Mac OSX.

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Download for Mac OS X

Reply In Group Requires Restart

Adds "Reply In Group" and "Reply to sender" toolbar buttons to the main window. So it's easier to reply in Usenet...

Rated 5 out of 5 stars (6)
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Cairo-Dock unread messages Requires Restart

Displays the number of unread messages in all inboxes on your dock.

Rated 2 out of 5 stars (1)
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Download for Linux

Bugzilla Helper Requires Restart

Quickly reply to your bugmail on bugzilla.mozilla.org without leaving Thunderbird.

Rated 4 out of 5 stars (4)
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PECindolor Requires Restart

Posta elettronica certificata - PEC

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View Headers Toggle Button Requires Restart

This extension adds a toolbar button that allows the easy toggling of viewing all message headers.

Rated 3 out of 5 stars (29)
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ThunderBayes Requires Restart

SpamBayes integration for Thunderbird - a better spam filter.

Rated 3 out of 5 stars (15)
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Change Requires Restart

In-page Currency Conversion Extension for Thunderbird and Firefox...

Rated 4 out of 5 stars (30)
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Delete Read Emails Requires Restart

Adds a button in Thunderbird's toolbar that enables you to delete all your read emails at once

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Requires Restart

FTN-style message quoter (like GoldEd) & so on

Rated 4 out of 5 stars (6)
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Habu Requires Restart

*This extension was formerly known as Okopipi*

Please be sure to visit the homepage and forums to provide your input for the future of Habu.

Support can be found at http://forums.mosinu.com/viewforum.php?f=5

Rated 4 out of 5 stars (18)
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Chat RTL Requires Restart

Fixing the Chat so it would support RTL languages (i.e. Hebrew, Arabic) better.

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vnotereader Requires Restart

Extension to view vNotes in a more readable format

Rated 5 out of 5 stars (4)
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Download for Linux Download for Windows

Tag the Bird Requires Restart

Tag the Bird gives the power of tagging to Thunderbird.

Rated 3 out of 5 stars (14)
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LinkedIN Tab Requires Restart

Ajouter le réseau professionnel LinkedIN dans votre client de messagerie simplement via un bouton.
Add button to simple access to the profesional social network : Linkedin; in Thunderbird !

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