Privacy and Security
MDN Extended Requires Restart
Allows the recipient of a message to send a return receipt (MDN: Message Disposition Notification) on message deletion. This addon is usefull for better experience with Notification Viewer addon.
Card Viewer Extended Requires Restart
Adds a button in address book cards to fetch and display the certificate of a contact.
S/MIME Security for Multiple Identities Requires Restart
Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3
A Better S/MIME GUI Requires Restart
Provides a better S/MIME GUI for Thunderbird.
External Email Alert Requires Restart
Alerts user to confirm that it is ok to send an external email.
Bork Bork Bork! Requires Restart
The Swedish Chef travesty filter and URL blocker. View web pages or mail as spoken by the Swedish Chef like this...
"Zee Svedeesh Cheff trefesty feelter und URL blucker. Feeoo veb peges oor meeel es spukee by zee Svedeesh Cheff leeke-a thees."
POW -- Plain Old Webserver Requires Restart
Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.
Viral Threat Level Requires Restart
Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.
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
Sender Verification Anti-Phishing Extension Requires Restart
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.
KnujOn Requires Restart
Forwards all emails marked Junk (as attachments) to KnujOn.com (note: they collect email reports on the coldrain.net domain). KnujOn is an organization that works to shut down junk mailers by contacting law enforcement, web hosts, etc..
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...
ThunderBayes Requires Restart
SpamBayes integration for Thunderbird - a better spam filter.
Spamato4Thunderbird Requires Restart
A multi-faceted, collaborative approach against spam.
eelpout Requires Restart
The anti-phish. An informative phishing detection...
CallingID Link Advisor Requires Restart
CallingID Link Advisor verifies the links you see in Firefox and Thunderbird are safe before you follow them. When the mouse is placed over any link a risk assessment and the full details of the site owner are displayed, helping you evaluate the...
Identity Select Requires Restart
This extension allows you to choose the identity of your new email from a popup menu directly from the Write button. This feature behaves in a similar manner as the Get Mail pulldown menu. In addition, the default behavior of the Write button is...
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...