Exchange Online blocks legacy TLS from July 2026 • The Register
Microsoft has warned users still clinging to legacy TLS versions that the end is nigh for TLS 1.0 and 1.1 on POP3 and IMAP4 connections to Exchange Online. Redmond warned, “We will start to block legacy version connections starting in July 2026.” The move is long overdue, and the Windows giant has been warning users…