Mozilla Thunderbird 152 Email Client Updates GMail OAuth to Use PKCE

Mozilla Thunderbird 152 Email Client Updates GMail OAuth to Use PKCE

Written By
MN
Marcus Nestor
Jul 24, 2026

Highlights of Mozilla Thunderbird 152 include updated the GMail OAuth 2.0 authentication method to use the (Proof Key for Code Exchange) protocol, which prevents malicious apps from intercepting authorization codes during login flows, enablement of SecurityDevices in enterprise policies, and one-click account setup for Thundermail accounts.

MN

Marcus Nestor

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