SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
13
/30
DKIM
0
/20
MX
10
/10
CAA
v=spf1 +a +mx +a:server62.venne-hosting.de -all
v=DMARC1; p=none
mail.iag-gelsenkirchen.de.