Public/Exchange/Protection/Examples/Block-Outbound-OnMicrosoft.json
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{
"Name": "Block outbound onmicrosoft.com sender", "Comments": "Reject any outbound message whose sender address is on a *.onmicrosoft.com domain. Forces users to send from a corporate vanity domain only.", "Mode": "Enforce", "Priority": 0, "Enabled": true, "FromScope": "InOrganization", "SentToScope": "NotInOrganization", "FromAddressMatchesPatterns": ["@.*\\.onmicrosoft\\.com$"], "RejectMessageReasonText": "Sending from an onmicrosoft.com address is not allowed. Please use your corporate domain.", "RejectMessageEnhancedStatusCode": "5.7.1", "StopRuleProcessing": true } |