Posted inPower Platform
Posted inExchange Online
MC1293480: Exchange Online Retires Legacy TLS for POP and IMAP Connections, Requires TLS 1.2 or Later
(Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections Message ID: MC1293480 (Updated) Updated July 7, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We are retiring support for legacy Transport Layer Security (TLS)…
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