This is the Email Security Gateway at host mailstub2.santannapisa.it. I'm sorry to inform you that the message below could not be delivered. When delivery was attempted, the following error was returned. <m.duenasesterling@sssup.it>: host sssup-it.mail.protection.outlook.com[52.101.68.21] said: 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 [DU6PEPF0000A7DD.eurprd02.prod.outlook.com 2023-11-20T22:02:06.257Z 08DBE759233275F1] (in reply to end of DATA command)