Privacy and security settings
Keep your information safe with password and security settings
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: 02/07/2024
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: 07/23/2023
Remote Content in Messages
This page explains the privacy implications of allowing remote content like images to be displayed in email messages.
Last updated: 07/02/2016
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: 05/17/2021
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: 06/20/2022
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: 09/20/2022
Digitally Signing and Encrypting Messages
This tutorial explains how to set up Thunderbird to digitally sign, encrypt and decrypt messages in order to make them secure.
Last updated: 09/29/2020
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 weeks ago
Master password requested but not set Redirect 1
Created: 02/13/2014
Certificates
Created: 02/13/2014
Why does Thunderbird warn me that my server don't use encryption?
Created: 02/13/2014
How Thunderbird’s scam detection works?
Created: 02/13/2014
How can I digitally sign and encrypt emails?
Created: 02/13/2014
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: 05/17/2022
OpenPGP Recipient Alias Configuration
How to set up and use the OpenPGP recipient Alias feature in Thunderbird.
Created: 07/28/2021
Unsafe properties of OpenPGP keys might be ignored
If Thunderbird unexpectedly reports that an OpenPGP key is expired, or isn't showing some expected properties, the key might have unsafe properties.
Last updated: 05/02/2022
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: 2 weeks, 6 days ago
