SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
/30
DKIM
0
/20
MX
10
/10
CAA
v=spf1 mx ip4:78.46.17.100 include:spf.schappy.de -all
v=DMARC1; p=quarantine; rua=mailto:postmaster@esnx.de; pct=100
mx01.esnx.de.