Basic Authentication Deprecation by Microsoft

Microsoft is phasing out Basic authentication in Exchange Online. This change will impact our customer's SMTP settings. Due to this, emails sent from Atera might not appear to be sent from the correct email address... Instead, they will appear as being sent from noreply@atera.com
Note: For a seamless email experience and to ensure your messages retain their authenticity, we recommend transitioning to DKIM. Learn more

You can make sure that Basic authentication is still enabled by running a PowerShell command in Exchange Online.

To connect to Exchange Online via Powershell, run the below in admin PowerShell, or take a look at the Microsoft article for "Connect to Exchange Online PowerShell".

Connect-ExchangeOnline -UserPrincipalName adminemailaddress@domain.com

The command below will check if SMTP Basic Authentication is disabled.

Get-TransportConfig | Select SmtpClientAuthenticationDisabled

If the result provided by the PowerShell query is False then all settings are correct and no other actions are required from your end.

If you receive the message True, run the command from below, as it will enable Basic Authentication, ensuring that SMTP settings in Atera will work until October 2022.

Set-TransportConfig -SmtpClientAuthenticationDisabled $False

For more details about the deprecation for basic Authentication for Exchange Online, please see the following articles from Microsoft.

Thank you, Mark Perrin, for this Pro tip and for your contribution to the Atera community!

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