SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
25
/30
DKIM
0
/20
MX
10
/10
CAA
10
/10
v=spf1 include:mailgun.org ip4:5.9.122.242 ip6:2a01:4f8:162:72e3::2 mx -allv=DMARC1; p=quarantine; rua=mailto:dmarc-collector@grimneko.de; ruf=mailto:dmarc-collector@grimneko.de;mail.grimneko.de.mailto:webmaster@grimneko.deletsencrypt.org;