Enabling SMTP Basic Authentication on Office365-Tenant after 1.Oct 2022

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I understand that SMTP Basic Authentication on Office365-Tenants will be automatically disabled from the 1st October 2022 on. As SMPT Oauth 2.0 Client Credential Flow has not been implement yet by Microsoft we can't move our product implementation (non-interactive) away from Basic Authentication.

 

We therefore need our customers to be able to keep SMTP Basic Authentication enabled after the 1st. October.

 

Question:

  • Will existing Office365-Tenants be able to keep SMTP with Basic Authentication enabled until Oauth Client Credential Flow will be available for SMTP?
  • Is the same also true for new Tenants that are created in future? 

Thanks!

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