Privacy and Security
Close Proxy Authentication Requires Restart
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.
Check Domain Requires Restart
This extension is to display the warning dialog when you send mail for multiple domains.
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.
Confirm-Address Requires Restart
Confirm E-mail address before sending mail
Check and Send Requires Restart
Check the message contents and addresses before you send the message...
Flex Confirm Mail Requires Restart
Confirm mail address and attachments based on flexible rules.
Auto Address Cleaner Requires Restart
Removes comment, display name automatically from addresses before sending mail.
DL for Thunderbird Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
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.
MEGAbird Requires Restart
Add MEGA support to Thunderbird's Filelink feature.
Mail Merge Requires Restart Featured
Mass Mail and Personal Mail
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.
Too Many Recipients Requires Restart
Contourne la limite du nombre de destinataires/e-mail des serveurs SMTP.
Gets around the limit on the number of recipients/e-mail of SMTP servers.
Evita la limitación de número de destinatarios/e-mail del servidor SMTP.
GuifiProxy Requires Restart
Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement
Asks for the master password at startup (fixes multiple password prompt)
Correct Identity Requires Restart
Ever sent mail from the wrong email address because you forgot to select the correct identity in the compose window?
InfoNotary Configurator for Mozilla Requires Restart
Configures Mozilla for work with certificates issued by InfoNotary Plc.
DKIM Verifier Requires Restart
Verifies the DKIM-Signature of an e-mail.
Allow HTML Temp Requires Restart
This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).
Cert Viewer Plus Requires Restart
Certificate viewer enhancements: PEM format view, trust configuration