Email Authentication

libii.com

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:yunyou.top -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: quarantine.

v=DMARC1; p=quarantine; rua=mailto:postmaster@libii.com

5 mx1.yunyou.top

10 mx2.yunyou.top