Most Popular Extensions
Re: Sort Requires Restart
Reject Button 1.0 Requires Restart
Annoyed by receiving mails with missing or wrong subjects or meaningless message bodies? Simply reject them with the Reject Button Add-On and enforce proper e-mail etiquette at the cost of just a few friendships.
SS Ancestry Quick Button Requires Restart
A quick button link to the website, ssancestry.comyr.com/.
Crmthdb Lite ZohoCRM Thunderbird Extension Requires Restart
Connect Thunderbird and share mails with ZohoCRM. The Lite version lets you display contacts of Zoho CRM inside Thunderbird. The full version on http://sites.google.com/site/crmthdb lets you archive your mails and add contacts into Zoho CRM.
IO.Translator Requires Restart
即时在线汉英互译 - Instant Online Translator (Chinese-English)
A button to call up the Sunbird Calendar from Firefox and Thunderbird toolbars . 64 BIT operating system version!
A button to call up the Sunbird Calendar from Firefox and Thunderbird toolbars. This version for 32-bit operating system!
DeleteSimilar Requires Restart
Auto-delete similar newer incoming RSS messages.
No GUI (Hands free). To make it work you just rename the RSS folder to start with a minus.
i.e. Google News to -Google News
Uses Trash. Keeps oldest message to preserve Read status.
SMSalias MozClient Requires Restart
SMSalias is a Firefox/Thunferbird extension that enables you to send SMS messages directly from Browser/email application...
Count Filters Requires Restart
This add-on provides various search filters couting values, such as total number of recipients, or number of lines, words,links in body message.
PennyPost Requires Restart
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.
Send to xNode Requires Restart
Sends content to xNode for analysis. Provides information on domain names, IP addresses, eMail addresses, certificates and much more.
Russian hot keys bugfix Requires Restart
Makes hot keys work with Russian, Ukrainian and Hebrew keyboard layout in Linux and *BSD (needed only for GTK2 builds).
Identity Reminder Requires Restart
How many times have you sent out an email and forgotten to set the appropriate email identity? Over and over I send out an email from the wrong address and promise myself I'll never forget again and from now on, I will make sure to set the...
StickyCharset Requires Restart
Allows persistent charset changes on individual messages. For use with messages that have erroneous charset header...
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.
No Close Other Tabs Requires Restart
Removes "Close other tabs" context menu item.
Thunderled Requires Restart
For ASUS laptop owners, each time a new email is in your inbox, the email led will switch on...
Message Level Authentication Requires Restart
Authenticates mail from Message Level Network users, Mail Reputation provided by Sender Score for each message and Anti-Phishing Data from PhishTank. Registration is FREE but not required...