Dear All,
I use mailenable to send email to Chinese Mainland netease ISP. The ISP include(163.com, 126.com, yeah.net). They suggest use their chengxin mail platform, that means you send email to 163.com, need route to mopen.163.com.
EX: we send email to xxxxx@163.com, the mail server don't check 163.com MX Record. the email will be send to mopen.163.com A record IP
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