SPF, DKIM, DMARC, MX, and CAA configuration
SPF
18
/25
DMARC
30
/30
DKIM
0
/20
MX
10
/10
CAA
0
/10
v=spf1 include:ispgateway.de include:secureserver.net ~allv=DMARC1; p=reject; rua=mailto:dmarc_rua@onsecureserver.netsmtp.secureserver.net.mailstore1.secureserver.net.