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    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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    • Forum: Windows News
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    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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    • 100 recipients automation integrations azure communication services custom domain migration email deliverability email security err exchange online external recipients high volume email hybrid mail flow message center microsoft 365 moera ndr 550 5.7.236 onmicrosoft.com saas connectors spam prevention spf dkim dmarc tenant rollout
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    • Forum: Windows News
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    Microsoft 365 Exchange Online High Volume Email: Scalable Internal Messaging Solution

    Organizations increasingly face the challenge of distributing vital information to vast internal audiences, whether via automated alerts, system notifications, or large-scale transactional communications. For enterprise IT teams running on Microsoft 365, the recent introduction of Exchange...
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    • bulk email configuration bulk internal messaging email automation email compliance email deliverability email marketing email security enterprise communication enterprise email exchange admin center exchange online high volume email hve internal communication internal notifications it alerts microsoft 365 microsoft cloud microsoft security powershell
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    • Forum: Windows News
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    Microsoft Extends Support for High Volume Email Service Until 2028 with Key Changes

    Microsoft has announced significant changes to its High Volume Email (HVE) service within Microsoft 365, extending support for Basic Authentication until September 2028. This extension aims to provide organizations with additional time to transition to more secure authentication methods, such as...
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    • acs azure communication services basic authentication bulk email email limits email management email policy email security email services email strategy email transition high volume email hve microsoft 365 microsoft announcements microsoft updates modern authentication oauth 2.0 security enhancements
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    • Forum: Windows News
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    Microsoft’s HVE Changes 2025: Secure Internal Email and Transition to Modern Authentication

    Microsoft’s recent announcement regarding significant changes to High Volume Email (HVE) within the Microsoft 365 ecosystem has sent ripples through the IT community, especially among organizations that rely heavily on email automation for communication both internally and externally. This newly...
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    • automation workflows azure communication services basic authentication cloud communication cloud migration cybersecurity email automation email compliance email limits email security email transition enterprise email high volume email hve it security microsoft 365 microsoft changes oauth
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    • Forum: Windows News
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    Microsoft 365 High Volume Email Changes: Security, External Delivery, and Strategic Migration

    For many enterprise IT leaders, the intersection of security and high-volume email workflows within Microsoft 365 represents a challenging balancing act. On one hand, organizations demand robust communications infrastructure for both internal and external use. On the other, the growing threat...
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    • Replies: 1
    • Forum: Windows News
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    Microsoft Updates HVE Service: Internal-Only Email & Extended Authentication Support

    Microsoft has recently announced significant changes to its High Volume Email (HVE) service within Microsoft 365, alongside an extension of support for Basic Authentication until September 2028. These updates are designed to provide organizations with additional time to transition to more secure...
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    • acs authentication extension azure communication services basic authentication email best practices email compliance email management email security email services email transition enterprise communication high volume email hve it security microsoft 365 microsoft 365 changes microsoft updates modern authentication oauth
    • Replies: 0
    • Forum: Windows News
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