Gmail Google 退信要新增 SPF/DMARC 次要 DKIM

Gmail Google 退信要新增 SPF/DMARC 次要 DKIM

https://support.google.com/mail/answer/81126#authentication

SPF

https://support.google.com/a/answer/10684623?hl=zh-Hant

DMARC

https://support.google.com/a/answer/2466580?hl=zh-Hant

DKIM

https://support.google.com/a/answer/174124?hl=zh-Hant

可以參考我們公司的設定

nslookup

set type=txt

ublink.org

ublink.org:v=spf1 mx a ip4:59.125.9.159/24 ip4:220.134.227.77 -all

_dmarc.ublink.org:v=DMARC1; p=none; rua=mailto:chi@ublink; ruf=mailto:chi@ublink.org

上述資料要更換成自己的

SPF Record Check:

https://mxtoolbox.com/spf.aspx

DMARC Check Tool:

https://mxtoolbox.com/dmarc.aspx