Email Authentication

sdu.edu.cn

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 ip4:202.194.15.6 ip4:202.194.14.6 ip4:211.86.56.247 include:spf.icoremail.net -all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

none

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

No record published.

5 mx-sdu-edu-cn.icoremail.net

10 sdu.edu.cn