Email Authentication
usenix.org
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~allDKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
Mail Servers (MX)
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 aspmx2.googlemail.com
10 aspmx3.googlemail.com