Microsoft warns IT admins not to use unsupported local mailbox moves in Exchange Online due to data loss and reliability ...
Change eliminates a long-standing cap on outbound email recipients, shifting enforcement toward abuse and behavior-based controls.
Microsoft Defender Researchers uncovered a multi‑stage AiTM phishing and business email compromise (BEC) campaign targeting ...
Microsoft is working to fix an Exchange Online service outage that intermittently prevents users from accessing their mailboxes via the Internet Mailbox Access Protocol 4 (IMAP4). The incident ...
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