Virgin Media blocking email from outlook.com
All emails from our club email account (outlook online) are being refused by Virgin media for any blueyonder.co.uk email addresses:
Generating server: GV4PR07MB10290.eurprd07.prod.outlook.com
[To] "anyone"@blueyonder.co.uk
Remote server returned '554 5.4.0 < #5.4.300 smtp;550 5.4.300 Message expired -> 421 4.2.0 MXIN618 Temporary SMC Policy Violation detected, retry later ;id=PKb0uoEA0d0pmPKb0uIZQy;sid=PKb0uoEA0d0pm;mta=mx7-prd-nl1-vmo;dt=2025-06-11T14:30:22+02:00;ipsrc=52.101.84.46;>'
Original message headers:
Received: from PA4PR07MB7309.eurprd07.prod.outlook.com (2603:10a6:102:d0::23)
by GV4PR07MB10290.eurprd07.prod.outlook.com (2603:10a6:150:297::14) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8813.30; Wed, 11 Jun
2025 10:59:23 +0000
Received: from AS8PR07MB9493.eurprd07.prod.outlook.com (2603:10a6:20b:636::18)
by PA4PR07MB7309.eurprd07.prod.outlook.com (2603:10a6:102:d0::23) with
Microsoft SMTP Server (version=TLS1_2,
There's more header information available - I just put the first few lines to show the source.
This has been going on for a week now, and is becoming seriously problematic. It appears to be a virgin media configuration problem.
Can anyone in virgin media resolve this please?