22d ago

Exchange Online blocking of outdated Exchange 2016 and 2019 servers begins in September 2026, requiring the October 2025 update baseline. # Exchange # ExchangeOnline # Microsoft365 # EmailSecurity # E

Exchange Online blocking of outdated Exchange 2016 and 2019 servers begins in September 2026, requiring the October 2025 update baseline. # Exchange # ExchangeOnline # Microsoft365 # EmailSecurity # ExchangeServer # HybridMail # ESU https:// securityonline.info/exchange-o nline-blocking-outdated-servers/?utm_source=mastodon&utm_medium=jetpack_social

1 reportother

Claim audit

No BS check run yet — press ⚖ to extract this story's claims and verify them against independent sources.

All coverage

Exchange Online blocking of outdated Exchange 2016 and 2019 servers begins in September 2026, requiring the October 2025 update baseline. # Exchange # ExchangeOnline # Microsoft365 # EmailSecurity # E

mastodon:infosec-exchangeother22d ago kagi ↗

Exchange Online blocking of outdated Exchange 2016 and 2019 servers begins in September 2026, requiring the October 2025 update baseline. # Exchange # ExchangeOnline # Microsoft365 # EmailSecurity # ExchangeServer # HybridMail # ESU https:// securityonline.info/exchange-o nline-blocking-outdated-servers/?utm_source=mastodon&utm_medium=jetpack_social