Email Authentication

rb.gy

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 -all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

pass

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

v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=s

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