The original message was received at Sun, 9 Jun 2024 23:51:45 +0300 from mail.ticketnew.com [49.50.81.243] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.4.1 Recipient address rejected: Access denied. [AM2PEPF0001C717.eurprd05.prod.outlook.com 2024-06-09T20:51:46.904Z 08DC885E5041555F]) ----- Transcript of session follows ----- ... while talking to uef-fi.mail.protection.outlook.com.: >>> DATA ... User unknown