One month from today, we’re going to start to turn off basic auth for specific protocols in Exchange Online for customers who use them.
Since our first announcement nearly three years ago, we’ve se...
Updated Jan 01, 2023
Version 16.0
Blog Post
5 MIN READ
Basic Authentication Deprecation in Exchange Online – September 2022 Update
humbeglez You are mentioning that SMTP Auth will be available with Basic authentication after January 2023. I'm fine with that. Additionally the article mentions:
We will not be disabling or changing any settings for SMTP AUTH.
Customers are now confused why within the Diag Settings for Self Opt-Out list SMTP as a protocol. If you don't do anything, why is SMTP listed within the Opt-Out option?
The June 2022 Update here https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-june-2021-update/ba-p/2454827 states:
Because unlike the other 8, all we’re doing to disable Basic Auth for SMTP AUTH is set SmtpClientAuthenticationDisabled to $True for tenants, and you can just go right ahead and turn it back on (set to $False) if you subsequently decide you need and want to use it.
Are there now changes for SMTP or not?