Email Authentication
nationalrail.co.uk
SPF
passDeclares which servers may send mail for this domain.
v=spf1 mx a include:spf.protection.outlook.com include:spf.mtaroutes.com include:sendgrid.net include:_spf.salesforce.com include:email-messaging.com ~all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none;
Mail Servers (MX)
10 nationalrail-co-uk.mail.protection.outlook.com