My company is currently evaluating FreshDesk and we have setup
M365 as our inbound and outbound email
When a user sends an email to firstname.lastname@example.org the ticket is received correctly in FreshDesk but when a replay email is sent from FreshDesk we are getting the below error
Delivery has failed to these recipients or groups:
Your message wasn't delivered because the recipient's email provider rejected it.
Diagnostic information for administrators:
Generating server: SYZP282MB3210.AUSP282.PROD.OUTLOOK.COM
Remote Server returned '550 5.7.708 Service unavailable. Access denied, traffic not accepted from this IP. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653 AS(8561) [ME3P282MB1553.AUSP282.PROD.OUTLOOK.COM]'
Original message headers:
Received: from SYZP282MB3210.AUSP282.PROD.OUTLOOK.COM
([fe80::2436:3e8c:9770:b458]) by SYZP282MB3210.AUSP282.PROD.OUTLOOK.COM
([fe80::2436:3e8c:9770:b458%5]) with mapi id 15.20.5102.019; Fri, 25 Mar 2022
Date: Fri, 25 Mar 2022 05:10:39 +0000
Subject: Node-Red Limited user activation
Best answer by Node-RedView original