Email Formats
{
"mx": [
"6 hzmx01.mxmail.netease.com.",
"1 mx5.yumchina.com.",
"10 hzmx02.mxmail.netease.com."
],
"spf": [
"v=spf1 include:spf.163.com ip4:110.43.128.35 ip4:120.92.179.255 ip4:122.112.217.37 ip4:139.9.164.166 ip4:14.103.3.133 ip4:47.103.108.179 ip4:121.5.98.156 ip4:122.51.6.125 ip4:124.223.140.216 ip4:47.100.5.79 ip4:106.14.151.60 -all"
]
}