Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Thu, 2 Oct 2025 14:24:22 GMT

The original message was received at Thu, 2 Oct 2025 14:24:21 GMT
from m0417473.ppops.net [127.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 [SJ1PEPF0000231E.namprd03.prod.outlook.com 2025-10-02T14:24:22.338Z 08DE00C78E09C7F7])

   ----- Transcript of session follows -----
... while talking to infocorp365.mail.protection.outlook.com.:
>>> DATA
<<< 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 [SJ1PEPF0000231E.namprd03.prod.outlook.com 2025-10-02T14:24:22.338Z 08DE00C78E09C7F7]
554 5.0.0 Service unavailable