Это один из примеров, но такое происходит постоянно.
Diagnostic information for administrators:
Generating server: AM7PR01MB7041.eurprd01.prod.exchangelabs.com
[******@elisa.ee] 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)>'
[******@elisa.ee] 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 DB9PR01MB11826.eurprd01.prod.exchangelabs.com
(2603:10a6:10:60e::19) by AM7PR01MB7041.eurprd01.prod.exchangelabs.com
(2603:10a6:20b:1b4::13) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9434.8; Thu, 18 Dec
2025 10:11:11 +0000
Received: from DB9PR01MB11826.eurprd01.prod.exchangelabs.com
([fe80::c73e:d47e:9833:8c93]) by
DB9PR01MB11826.eurprd01.prod.exchangelabs.com ([fe80::c73e:d47e:9833:8c93%5])
with mapi id 15.20.9434.001; Thu, 18 Dec 2025 10:11:10 +0000
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: base64
From: Konstantin Smuul <