SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
13
/30
DKIM
0
/20
MX
10
/10
CAA
0
/10
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com -allv=DMARC1; p=noneus-smtp-inbound-1.mimecast.com.us-smtp-inbound-2.mimecast.com.