Add-ons
Privacy and Security
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Enigmail
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
133,625 users -
Mail Merge
Mass Mail and Personal Mail
61,525 users
Most Popular See all »
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OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.133,625 users -
Check the message contents and addresses before you send the message...16,277 users -
Confirm mail address and attachments based on flexible rules.16,183 users -
Asks for the master password at startup (fixes multiple password prompt)15,884 users
Top Rated See all »
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Adds the ability to create and edit entries in the password manager.2,848 users -
Adds metadata and sortable tags to the password manager.84 users
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Identity Chooser helps you to always use the correct identity when composing a new email.7,959 users
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Removes comment, display name automatically from addresses before sending mail.6,562 users
Recently Added See all »
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Users of Office 365 Advanced Threat Protection wil change
all url's in emails to redirect them to an Microsoft filter before opening.
This plugin wil change the url back to the original value.93 users -
Use KeePass Password Safe to manage your login credentials.
This is the replacement for the KeeFox extension for Thunderbird.521 users -
Электронная подпись для сообщений в Thunderbird на основе API клиента "ГУЦ"2 users -
Adds the ability to create and edit entries in the password manager.849 users -
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.63 users
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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.695 users
See all 143 extensions in Privacy and Security »
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