mail flow

  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...
  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...
  3. 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...