SPF, DKIM, DMARC, MX, and CAA configuration
SPF
13
/25
DMARC
30
/30
DKIM
0
/20
MX
10
/10
CAA
v=spf1 mx a:vsrv1.spacekoeln.de a:vsrv6.spacekoeln.de ?all
v=DMARC1; p=reject;
w021a7f3.kasserver.com.