SPF, DKIM, DMARC, MX, and CAA configuration
SPF
10
/25
DMARC
30
/30
DKIM
0
/20
MX
10
/10
CAA
10
/10
v=spf1include:_spf1.mckesson.com-allv=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;fo=1;pct=100;rf=afrf;ri=86400;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.commx0a-0016dd01.pphosted.com.mx0b-0016dd01.pphosted.com.digicert.comletsencrypt.orgidentrust.comglobalsign.comidentrust.comdigicert.com