Email Authentication

skillbuilder.aws

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 -all

fail

Cryptographic signature on outbound mail (selector: default).

v=DKIM1; p=

pass

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

v=DMARC1; p=reject; rua=mailto:report@dmarc.amazon.com; ruf=mailto:report@dmarc.amazon.com