Can not send mail

Question

I can not send mail it gives the below message

Diagnostic information for administrators:

Generating server: LV8PR22MB5550.namprd22.prod.outlook.com

******@deolabsrl.it Remote server returned '554 5.7.0 < #5.7.520 smtp;550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)>'

Original message headers:

Received: from SA1PR22MB5269.namprd22.prod.outlook.com (2603:10b6:806:3cc::16)
 by LV8PR22MB5550.namprd22.prod.outlook.com (2603:10b6:408:221::20) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.360.9; Fri, 28 Aug
 2026 08:57:26 +0000
Received: from SA1PR22MB5269.namprd22.prod.outlook.com
 ([fe80::fda4:6625:4f8c:28b0]) by SA1PR22MB5269.namprd22.prod.outlook.com
 ([fe80::fda4:6625:4f8c:28b0%6]) with mapi id 15.21.0360.008; Fri, 28 Aug 2026
 08:57:26 +0000
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: base64

Answer 1

Can not send mail