Microsoft has announced significant restrictions on the use of default onmicrosoft.com domains for email communication, implementing new throttling measures to combat spam and improve email deliverability across its Microsoft 365 platform. Policy Changes Target Spam Prevention The technology giant will introduce throttling limits that restrict messages sent from onmicrosoft.com domains to just 100 external recipients […]The post Microsoft to Restrict Use of OnMicrosoft Domains for Email Sending appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.