Disable Basic Authentication for SMTP AUTH in Exchange Online

Microsoft has recently announced that Basic Authentication in Exchange Online SMTP AUTH will be disabled in September 2025. In this post, I will discuss the implications of this announcement and provide guidance on what steps you can take to ensure your email applications and devices remain functional.

You can read the post on the following link: https://4sysops.com/archives/disable-basic-authentication-for-smtp-auth-in-exchange-online/

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