Reporting-MTA: dns; esa1.hc2479-79.eu.iphmx.com

Final-Recipient: rfc822;xxxxxxxx@xxxxx.xx
Action: failed
Status: 5.0.0 (permanent failure)
Remote-MTA: dns; [52.101.166.2]
Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [PA3PEPF000089BB.FRAP264.PROD.OUTLOOK.COM 2026-08-21T16:46:14.573Z 08DEFF4D8E7EE5FF]' (delivery attempts: 0)