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News
Microsoft Graph’s group mailbox blind spot breaks folder-aware backups – 4sysops
4+ day, 36+ min ago (21+ words) Microsoft Graph still cannot access Microsoft 365 Group mailboxes as ordinary Exchange mailboxes, leaving applications unable to enumerate folders, retrieve mes...
Cloudflare makes post-quantum origin handshakes faster for 45 billion daily connections – 4sysops
4+ day, 20+ hour ago (20+ words) Cloudflare’s Automatic Key Exchange is now reducing TLS 1.3 origin handshake delays while automatically shifting eligible connections to post-quantum protection...
Exchange Online will block outdated Exchange 2016 and 2019 servers – 4sysops
1+ week, 21+ hour ago (24+ words) Microsoft will begin throttling and then rejecting email from Exchange Server 2016 and 2019 systems that have not reached the October 2025 public-update baselin...
Exchange Online outage delays external email with “Server busy” errors – 4sysops
1+ week, 1+ day ago (24+ words) A new Exchange Online incident is delaying mail sent to and received from external domains, with users seeing intermittent “Server busy” errors across multiple...
Microsoft 365 Business: Exchange Online mailbox quota rises to 100 GB – 4sysops
3+ week, 1+ day ago (24+ words) Microsoft 365 Business Basic, Business Standard, and Business Premium now include an extra 50 GB of primary Exchange Online mailbox storage, raising the support...
Wi-Fi 7’s WPA3 workaround can strand older devices – 4sysops
3+ week, 1+ day ago (24+ words) Wi-Fi 7’s mandatory WPA3 security is exposing a new compatibility problem: the workaround designed to keep older clients connected requires support that many de...