Email Formats

{
  "mx": [
    "10 mailgw.sti.com.tw."
  ],
  "spf": [
    "v=spf1 ip4:210.242.67.213 ip4:125.227.177.229 ip4:210.242.67.211 ip4:59.120.184.235 ip4:220.128.229.19 -all"
  ]
}