Email Authentication

nttu.edu.tw

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 a mx ip4:210.240.170.20 ~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; pct=100; rua=mailto:spam@nttu.edu.tw

10 smtp.nttu.edu.tw

20 cc2k.nttu.edu.tw