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  1. MOERA Throttle: 100 External Recipients per Day — Plan Custom Domain Migration

    Microsoft is imposing a hard cap on outbound email sent from the shared onmicrosoft.com tenant namespace: mail from MOERA (Microsoft Online Email Routing Address) domains will be throttled to 100 external recipients per organization in any 24‑hour rolling window, with attempts beyond that...
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    • Forum: Windows News

  2. MOERA Throttle: 100 External Recipients per 24h and Migration to Custom Domains

    Microsoft’s Exchange team has announced a sweeping, tenant-level restriction that will limit outbound email sent from the shared onmicrosoft.com namespace (MOERA — Microsoft Online Email Routing Address) to 100 external recipients per organization per 24‑hour rolling window, and the change comes...
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    • Replies: 1
    • Forum: Windows News

  3. MOERA Outbound Cap: 100 External Recipients per 24h for onmicrosoft.com

    Microsoft is imposing a hard limit on outgoing email from free “.onmicrosoft.com” (MOERA) tenant domains to combat widespread abuse and protect delivery for legitimate Microsoft 365 customers, and the change — which takes effect in staged waves starting October 15, 2025 for trials — restricts...
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    • Replies: 0
    • Forum: Windows News

  4. Microsoft's New Message Trace in Exchange Online: A Complete Guide to Enhanced Cloud Mail Management

    Microsoft has once again placed its commitment to refining cloud management tools into action, introducing a sweeping redesign to one of the most heavily used components in Exchange Online: Message Trace. This update, which began rolling out earlier this month, promises to overhaul how...
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    • Forum: Windows News

  5. How to Upgrade Your Exchange Server to the Latest CU in 2025: A Complete Guide

    If your Exchange Server is sporting the digital equivalent of bell-bottoms and disco fever, it’s time for an upgrade. For some administrators, tackling a lagging Exchange environment ranks just above untangling a Slinky or flossing the office server rack—meaning somewhere between “absolutely...
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    • cu update cybersecurity email service exchange compatibility exchange hybrid exchange monitoring exchange performance exchange public folders exchange security patches exchange server exchange support policies exchange troubleshooting exchange upgrade guide it support mail flow microsoft 365 server backup server maintenance server optimization
    • Replies: 0
    • Forum: Windows News