Email Formats

{
  "mx": [
    "10 mx02.asiainfo.com.",
    "5 mx.asiainfo.com.",
    "10 mx01.asiainfo.com.",
    "10 mx03.asiainfo.com."
  ],
  "spf": [
    "v=spf1 include:spf.asiainfo.com -all"
  ]
}