Email Authentication

messenger.com

SPF

warning

Declares which servers may send mail for this domain.

v=spf1 redirect=_spf.fb.com

fail

Cryptographic signature on outbound mail (selector: default).

v=spf1 a ~all

pass

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

v=DMARC1; p=reject; rua=mailto:a@dmarc.facebookmail.com; pct=100

10 mxa-00082601.gslb.pphosted.com

10 mxb-00082601.gslb.pphosted.com