SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
22
/30
DKIM
0
/20
MX
10
/10
CAA
v=spf1 -all
v=DMARC1;p=quarantine;adkim=s;aspf=s;
.
letsencrypt.org;validationmethods=http-01,dns-01
pki.goog;validationmethods=http-01,dns-01
;