Exchange Online on Secure Techieshttps://securetechie.com/tags/exchange-online/Recent content in Exchange Online on Secure TechiesHugoen-usTue, 15 Sep 2026 00:00:00 -0700Disable Legacy Authentication in Microsoft 365https://securetechie.com/blog/disable-legacy-authentication-microsoft-365/Tue, 15 Sep 2026 00:00:00 -0700https://securetechie.com/blog/disable-legacy-authentication-microsoft-365/<p>Here&rsquo;s the short version: <strong>disable legacy authentication in Microsoft 365 or MFA is still optional for anything that speaks basic auth.</strong> Microsoft already turned off basic IMAP, POP, and EAS in Exchange Online. The leftover is SMTP AUTH, copiers, and client types Entra still labels legacy. Stolen passwords walk in that side door.</p>Microsoft 365 Email Migration for a Professional Services Firmhttps://securetechie.com/case-studies/microsoft-365-email-migration/Mon, 13 Jul 2026 00:00:00 -0700https://securetechie.com/case-studies/microsoft-365-email-migration/Secure Techies planned and executed a phased Microsoft 365 migration for a professional services company that needed better email security, centralized account management, and modern collaboration tools. The project included mailbox migration, domain verification, DNS updates, MFA, Microsoft Teams, OneDrive for Business, and email authentication.