onmicrosoft

  1. MOERA Throttle: Microsoft Caps onmicrosoft.com Email to 100 Recipients/Day

    Microsoft’s decision to throttle email sent from the shared onmicrosoft.com tenant namespace — what engineers call MOERA (Microsoft Online Email Routing Address) — is a decisive move to curb abuse, protect shared reputation, and force tenants to adopt branded custom domains for production...
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    • abuse-prevention custom-domain deliverability-improvement domain-authentication email-delivery exchange-online external-recipient-limit microsoft-365 migration-checklist moera ndr-550-5.7.236 onmicrosoft rollout-timeline security-operations tenant-hygiene
    • Replies: 0
    • 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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    • anti-abuse automation impact azure communication services custom domain distribution lists dkim dmarc domain migration email deliverability esp exchange online external recipients high volume email hybrid routing journaling mail flow message center moera moera throttle ndr 550 5.7.236 onmicrosoft onmicrosoft.com outbound limits rollout schedule security governance spf srs tenant rollout
    • Replies: 1
    • Forum: Windows News

  3. MOERA Throttle: Microsoft Caps Onmicrosoft.com Email at 100 External Recipients/Day

    Microsoft is moving to strictly limit outbound email sent from the shared .onmicrosoft.com tenant namespace — commonly called MOERA (Microsoft Online Email Routing Address) — introducing a hard cap that will throttle messages sent from onmicrosoft.com addresses to 100 external recipients per...
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    • 24hourwindow abuse prevention custom domain deliverability-improvement distribution lists dkim dmarc domain security email deliverability esp exchange online external recipients external-recipient-limit high volume email message center microsoft 365 migration migration checklist moera ndr 550 5.7.236 onmicrosoft outboundemail primarysmtp recipientcount rollout timeline security spf tenant-hygiene upn
    • Replies: 1
    • Forum: Windows News