SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
25
/30
DKIM
0
/20
MX
10
/10
CAA
0
/10
v=spf1 include:_spf.google.com -allv=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;alt3.aspmx.l.google.com.alt2.aspmx.l.google.com.alt4.aspmx.l.google.com.alt1.aspmx.l.google.com.aspmx.l.google.com.