SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
13
/30
DKIM
0
/20
MX
10
/10
CAA
v=spf1 include:spf.protection.outlook.com -all
v=DMARC1;p=none;
mx-in01.eu.retarus.com.