Message and News Reading
Mark All Read Button Requires Restart
Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.
Provides enhanced new mail desktop notifications using the notify-send library.
Signal Spam Requires Restart
Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).
Smiley Fixer Requires Restart
Fixes Wingding Smileys in Outlook-generated emails
Get Selected Mails Requires Restart
Gets new messages for selected mail accounts.
Clickable, durable links to specific messages inside Thunderbird.
OrderAtt Requires Restart
OrderAtt allows you to re-order the attachments list.
Seturgent Requires Restart
Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.
New Mail Attention Requires Restart
This addon calls attention to main window on new message arrival.
Sender Frequency Requires Restart
Adds a custom column for Sender Frequency to the thread pane
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.
PECindolor Requires Restart
Posta elettronica certificata - PEC
QuickFileMail Requires Restart
QuickFileMail is a Thunderbird Add-On that helps to quickly file messages in the right folder.
Quick access to your Linagora ESN network
TipTopic Requires Restart
While you're surfing your favorite pages/topics on the web TipTopic informs you on who else is browsing the same pages/topics and is interested in/ available for discussion. Enjoy live dialog with your favorite topic followers while surfing the web!
Mnenhy Requires Restart
The primary goal of the Mnenhy project is to make some enhancements to SeaMonkey MailNews/Thunderbird, since there're still plenty of comfort functions missing if compared to Netscape 4.x and other mail and news clients.
TB Properties Requires Restart
Wanna know more about a link or image you see in Thunderbird? Do you really really really wish there was a properties box with the info about objects? Well..
SoundPlus Requires Restart
SoundPlus customizes the sound that is played when a new message arrives for a particular contact in the address book, similar to mobile phones. There is also a variation that is played when a message arrives and it is a continuation of a thread.
Address Cleaner Replying Requires Restart
A display name is erased when an e-mail screen is opened.
RSS Linkify Subject Requires Restart
Linkify Subject header with Content-Base URL when viewing RSS item to easily open it in...