Email Authentication

cool18.com

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:amazonses.com ~all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

fail

Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.

v=DMARC1; p=quarantine; fo=1; pct=100;

10 inbound-smtp.us-east-1.amazonaws.com