Privacy and Security
WarnAttachment Requires Restart
WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.
Sender Address Columns Requires Restart
Adds optional columns to the Thread Pane to allow sorting email messages by:
* Full sender address -- e.g. "firstname.lastname@example.org"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"
Certificate Patrol Requires Restart
Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.
Correct Identity Requires Restart
Ever sent mail from the wrong email address because you forgot to select the correct identity in the compose window?
MailHops Requires Restart
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
Trueblock Plus Requires Restart
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
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...
This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.
Paranoia Requires Restart
Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)
GProxy Tool Requires Restart
GProxy lets you set and clear GPass local proxy in Firefox and Thunderbird, and do more.
Help you create element hiding rules for Pan to fight the text ads.
BorderColors GT Requires Restart
How many time you sent an email from your wrong email address?
This add-ons allows you assign a different color to the compose window border for each of your email addresses. So you can immediately view from what account are you writing.
TorBirdy Requires Restart
This extension configures Thunderbird to make connections over the Tor anonymity network.
XML Digital Signature Tool Requires Restart
XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)
KDE5 Wallet password integration Requires Restart
This extension enable passwords and form logins to be stored in KDE5 Wallet
Show Password On Input Requires Restart
Gives an option to show the master password on input
HabuL Requires Restart
Reports spam to the SpamCop, the FTC, FDA, SEC, ACMA and/or Knujon.com. It also allows you to put in your own custom addresses to report spam to such as your ISP or corporate abuse address.
Fingerfox (SE) Requires Restart
Use MS Fingerprint Reader with Firefox and Thunderbird...
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.
Get before Send Requires Restart
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.