Tech industryfromTheregister2 weeks agoMicrosoft puts the squeeze on onmicrosoft.com freeloadersMicrosoft will throttle emails from tenants using onmicrosoft.com, limiting to 100 external recipients per organization per 24-hour rolling window and requiring custom domains.
DeliverabilityfromTechzine Global2 weeks agoMicrosoft limits onmicrosoft.com email to 100 external recipients per dayonmicrosoft.com domains are limited to 100 external recipients per 24 hours, requiring migration to custom branded domains to avoid delivery failures.