Email Authentication

hmrc.gov.uk

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

DKIM

fail

Cryptographic signature on outbound mail (selector: default).

v=spf1 -all

DMARC

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.

v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:Dmarc.Aggregate@hmrc.gov.uk,mailto:dmarc-rua@dmarc.service.gov.uk; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:Dmarc.Forensics@hmrc.gov.uk;

Mail Servers (MX)

0 hmrc-gov-uk.mail.protection.outlook.com

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