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Microsoft Exchange Online to End Support for SMTP AUTH Basic Authentication - gbhackers.com
Azure Communication Services
January 28, 2026
high impact
Microsoft Exchange Online to End Support for SMTP AUTH Basic Authentication Microsoft is set to end support for SMTP AUTH Basic Authentication in Exchange Online, impacting users who rely on this method for email communication. This change will require users to switch to more secure authentication methods, such as OAuth, to ensure continued access to their email services. The move is part of Microsoft's broader effort to enhance security and protect against unauthorized access. Organizations using Azure Communication Services will need to adapt to these changes to maintain secure email communications.
Key Takeaways
- arrow_right_alt Microsoft will end support for SMTP AUTH Basic Authentication in Exchange Online.
- arrow_right_alt Users must switch to more secure authentication methods like OAuth.
- arrow_right_alt This change is part of Microsoft's broader security enhancement efforts.
- arrow_right_alt Organizations using Azure Communication Services need to adapt to these changes.
- arrow_right_alt Failure to adapt could result in disrupted email services.