Privacy and Security
Check Attachment before Send Requires Restart
Confirms to send a mail with any attachment.
Decide whether to allow or block remote content in messages by comparing the names of the folders in which they are located to configured regular expressions.
Master Password+ Requires Restart
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
Asks for the master password at startup (fixes multiple password prompt)
Saved Password Editor Requires Restart
Adds the ability to create and edit entries in the password manager.
Password Tags Requires Restart
Adds metadata and sortable tags to the password manager.
pass-manager Requires Restart
Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)
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.
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).
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Minimum and fast URL blocker.
MailHops Requires Restart
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
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.
Great DANE Requires Restart
Retrieve DANE S/MIME Certificates for Encryption/Signing.
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).
clamdrib LIN Requires Restart
"clamdrib LIN" ist wie der Name schon sagt die Weiterentwicklung des Add-on clamdrib, allerdings nur noch für Linux. Sämtliche E-Mails, Feeds und News werden auf Viren und anderes Ungeziefer geprüft und gemeldet. Gelöscht wird hierbei jedoch nichts!
Secure Addressing Requires Restart
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.
Check and Send Requires Restart
Check the message contents and addresses before you send the message...
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.
DL for Thunderbird Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
Disable About Something Requires Restart
Provides ability to disable "about:*" pages by the configuration.