Email Authentication

icourse163.org

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:spf.mail.163.com include:spf.163.com ~all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

warning

Tells receivers what to do with mail that fails SPF/DKIM. Policy: none.

v=DMARC1;p=none;fo=1;ruf=mailto:dmarc@qiye.163.com; rua=mailto:dmarc_report@qiye.163.com

10 mx.ym.163.com