Intro Link to full Microsoft article:https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-online-to-retire-basic-auth-for-client-submission-smtp/ba-p/4114750 Microsoft are closed one of the older legacy protocols; SMTP with basic authentication.Due late september 2025, now is the time to prepare your systems for the decommission of SMTP relay using the old basic authentication. This article talks about a few ways to modernize sending mails. High volume email …
Continue reading Move on from Exchange Online SMTP Basic Authentication with Client Submission
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