Email Authentication

wikihow.com

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:sendgrid.net include:_spf.google.com include:servers.mcsv.net include:spf.mandrillapp.com ~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; fo=0; pct=100

10 aspmx.l.google.com

20 alt1.aspmx.l.google.com

30 aspmx2.googlemail.com

40 aspmx3.googlemail.com