Add-ons
Privacy and Security
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Channel Guard
Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
Check Attachment before Send
Check before sending email
Before sending an e-mail, a pop-up window clearly displays check items such as the destination address, body text, and attached files, prompting the sender to confirm before sending the e-mail.
Check Domain
Requires Restart
This extension is to display the warning dialog when you send mail for multiple domains.
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!
Classic Password Editor
Requires Restart
Adds the ability to create and edit entries in the password manager.
Clear History Button
Clear IMAP Local Cache
Close Proxy Authentication
Requires Restart
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.
Complete master password
Requires Restart
The goal is to avoid to have to enter the master password on application startUp.
The extension is not self-sufficient, a script has to extract the master for a secure storage like gnome-keyring, then to transfer it through an environment variable.
Confirm-Address
Confirm-Address2
Requires Restart
Confirm E-mail addresses before sending mail.
This is forked from https://github.com/Meatian/confirm-address and works with Thunderbird 68.
CookieKeeper
Copy Folder
Requires Restart
The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.
Correct Identity
Ever sent mail from the wrong email address because you forgot to select the correct identity?
Customizations for Adblock Plus
This extension provides various customization options for the Adblock Plus user interface.
Cypherdog EncryptionTo create your own collections, you must have a Mozilla Add-ons account.
