SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
30
/30
DKIM
0
/20
MX
10
/10
CAA
v=spf1 ip4:80.66.9.206 -all
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:root@lspb.de
hell.lspb.de.