Privacy and security settings

Remote Content in Messages

This page explains the privacy implications of allowing remote content like images to be displayed in email messages.

Last updated: 7 years, 11 months ago

Password Manager - Remember, delete and change passwords in Thunderbird

The Thunderbird Password Manager securely stores your username and passwords. Learn how to save, view, delete and edit your passwords.

Last updated: 10 months, 1 week ago

Introduction to End-to-end encryption in Thunderbird

This article explains what end-to-end encryption is and how to use it to protect the contents of your email in Thunderbird.

Last updated: 3 years ago

Microsoft OAuth Authentication and Thunderbird in 2024

Changes to OAuth authentication for Microsoft 365 (formerly Office 365; often abbreviated as “o365”) business and academic hosted email accounts and services.

Last updated: 3 months, 3 weeks ago

Protect your Thunderbird passwords with a Primary Password

Make Thunderbird require you to enter a primary password in order to view or use passwords you've told Thunderbird to remember.

Last updated: 2 years, 3 months ago

OpenPGP in Thunderbird - HOWTO and FAQ

This article answers common questions about OpenPGP support in Thunderbird, as implemented in End-To-End Encryption (e2ee), and how it differs from Enigmail.

Last updated: 1 year, 11 months ago

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Thunderbird 91.8.0, released 5th April 2022, converts Gmail accounts to OAuth 2.0 in compliance with Google's schedule for requiring this login method.

Last updated: 1 year, 8 months ago

Primary Password is replacing Master Password in Thunderbird

Primary Password is replacing Master Password. Learn more about why we are making this change.

Last updated: 2 years ago

Instructions for obtaining a personal S/MIME certificate by creating a CSR

Description of the manual process of obtaining an S/MIME certificate for email security, using a Certificate Signing Request (CSR) generated by Thunderbird.

Last updated: 4 days, 7 hours ago