Forum Discussion
MathiasBaech
Sep 13, 2022Copper Contributor
smtp auth in office 365
Hi, We have an old monolithic application with many customers and where each customer has many users in their own separate databases, which can be hosted by us or self hosted. One of our featu...
Kidd_Ip
Sep 14, 2022MVP
Please refer this:
Deprecation of Basic authentication in Exchange Online | Microsoft Docs
Quote from there that you may interest:
SMTP AUTH will still be available when Basic authentication is permanently disabled on October 1, 2022. The reason SMTP will still be available is that many multi-function devices such as printers and scanners can't be updated to use modern authentication. However, we strongly encourage customers to move away from using Basic authentication with SMTP AUTH when possible. Other options for sending authenticated mail include using alternative protocols, such as the Microsoft Graph API.