Forum Discussion
Authenticated SMTP (587/TCP)
Hi all, For those who are struggling with setting up Authenticated SMTP (SMTP AUTH over 587/TCP) on multifunctionals or webforms (that don't support modern authentication/OAuth) since the depreca...
Security defaults covers all authentication methods. You’ll need to disable security defaults and enable SMTP auth on the account you’re using to send emails. After this just enable per user mfa on all accounts manually. SMTP auth supports both modern and basic authentication.
https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission
https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission