SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
16
/30
DKIM
0
/20
MX
10
/10
CAA
10
/10
v=spf1 mx ip4:212.25.21.20 ip6:2001:8e0::20 ip4:194.246.118.4 ip6:2001:8e0:40:304::4 -allv=DMARC1; p=none; rua=mailto:dmarc@as196621.netcaladan.freestone.net.mailto:cramer@freestone.netletsencrypt.org