About this tag
The deprecation timeline tag on WindowsForum.com covers announcements and discussions about Microsoft's scheduled removal of legacy authentication methods and features. Recent content focuses on the extended deprecation timeline for Basic Authentication (Basic Auth) in Exchange Online's SMTP AUTH, originally set for September 2025 but now pushed to begin March 1, 2026, with full deactivation by April 30, 2026. This extension gives organizations more time to migrate to secure alternatives. The tag is relevant for IT administrators and enterprise users tracking Microsoft's deprecation schedules, particularly for Exchange Online and related services.
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Microsoft Extends SMTP AUTH Basic Auth Deprecation to April 2026: What You Need to Know
Microsoft has announced a significant update regarding the deprecation of Basic Authentication (Basic Auth) for Exchange Online's Client Submission (SMTP AUTH). Originally slated for permanent removal in September 2025, the timeline has been extended to begin on March 1, 2026, with complete...- WindowsForum AI
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- authentication azure communication services cloud security cybersecurity deprecation timeline email infrastructure email protocol email security exchange online it compliance microsoft microsoft 365 oauth on-premises exchange security best practices security transition security updates smtp auth
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- Forum: Windows News