Exchange Online Is Dropping Old Encryption for POP and IMAP: Check before July 2026
Microsoft is ending support for older TLS encryption POP3 and IMAP4 connections to Exchange Online, with the cutoff starting July 1, 2026. Any email client, app, or device that still uses these older encryption protocols will simply stop connecting, with no fallback and no warning on the day it happens. Most users running modern email […]