Privacy and Security
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).
Create and Save or Send Multiple Individual and Personalized Messages from a Draft
Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).
Confirm mail address and attachments based on flexible rules.
TORPEDO ist ein Tool zum Erkennen von betrügerischen Links (Phishing). Bewegen Sie die Maus über einen Link in einer Email. TORPEDO zeigt Ihnen die tatsächliche Webadresse in einem Tooltip an und hilft Ihnen, diese zu untersuchen.
Updates the local OpenPGP Alias file from a server to simplify encryption for mailing lists, or email aliases in an organizational environment.
Please make sure config parameter "mail.openpgp.alias_rules_file" is set to "openpgp_alias.json".
Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.
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).
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.
Just Report It (https://justreport.it) is an email plugin which tackles spam the right way. Report emails straight to SpamCop, the Registrar, a custom email address or any combination in between!
Gets changelogs for updated addons
Rspamd spam filtering system score visualization.
DKIM Verifier Featured
Verifies the DKIM-Signature of an e-mail.
Confirm E-mail address before sending mail
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
- SPAM Header Checker for OCN(Japanese Internet Provider)
- This plugin looks at the header of the mail and assigns a "junk mail" mark.
- Only if the header (X-CON-SPAM-CHECK) of the mail is set to 100%, it will be marked as "spam".
Turn on/off the alert shown when new message arrives.
This extension adds "Logout" to the folders/accounts context menu.
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing) without the need to restart thunderbird.
Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.
This plugin will change the URL back to the original value.
OpenPGP message encryption and authentication for Thunderbird.