Emial Issue

Question

Error is
Generating server: MA0PR01MB5755.INDPRD01.PROD.OUTLOOK.COM
dispatch@Company portal .com
Remote Server returned '550 5.7.705 Service unavailable. Access denied, tenant has exceeded threshold. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653 S(7136) [PNZPR01MB4864.INDPRD01.PROD.OUTLOOK.COM]'
Original message headers:
Received: from MA0PR01MB5755.INDPRD01.PROD.OUTLOOK.COM
([fe80::c04:1a84:e869:63e]) by MA0PR01MB5755.INDPRD01.PROD.OUTLOOK.COM
([fe80::c04:1a84:e869:63e%9]) with mapi id 15.20.5314.019; Tue, 7 Jun 2022
22:26:39 +0000
MIME-Version: 1.0
Content-Type: text/plain
Date: Tue, 7 Jun 2022 22:26:39 +0000
Message-ID:
<******@MA0PR01MB5755.INDPRD01.PROD.OUTLOOK.COM

Answer 1

Hi @Tim Johnson

According to this link, this error message indicates a large amount of spam/suspicious outbound traffic is sent from your Office 365 tenant.

If you are not the Exchange admin in your organization, please contact your admin for further investigation.

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