Jan 27, 2026we wanted to provide the updated exchange online smtp auth basic authentication deprecation timeline. Apr 15, 2024today, we are announcing that exchange online will permanently remove support for basic authentication with client submission (smtp auth). Sep 23, 2021basic authentication (outside of smtp) will be turned off for everyone in october 2022, including tenants who have previously opted out using our self-service tool.
Feb 25, 2020if you see basic auth being used by the client, it might be because modern auth is disabled in your tenant. May 6, 2025continued support for basic authentication today, we are announcing continued support for basic authentication in high volume email until september 2028. The full timeline for retirement of basic authentication in exchange online is now published in basic authentication deprecation in exchange online – september 2022 update.
Oct 23, 2024basic authentication o basic authentication é o sistema de autenticação mais “básico / comum” do protocolo http definido pela rfc 7617. Basic auth flow, onde o. Starting on october 1st, 2022 we’re going to start to turn off basic authentication for specific protocols in exchange online for customers that still use it.
Sep 20, 2019we want your help in getting users to move away from apps that use basic authentication, to apps that use modern authentication. Modern authentication (which is oauth 2.0. Nov 16, 2022last month we turned off basic auth in exchange online for many customers.
We’ve protected millions of users from the risks associated with using this legacy form of authentication to.
