Reporting-MTA: dns; bittern.ukcod.org.uk Action: failed Final-Recipient: rfc822;apl@sprb.brussels Status: 5.0.0 Remote-MTA: dns; sprb-brussels.mail.protection.outlook.com Diagnostic-Code: smtp; 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR01FT008.eop-EUR01.prod.protection.outlook.com]