Email Formats

{
  "mx": [
    "10 mx.baosteel.com."
  ],
  "spf": [
    "v=spf1 ip4:117.144.123.55 ip4:117.144.123.54 ip4:117.144.123.53 a:mail.baosteel.com  include:spf.icoremail.net -all"
  ]
}