Email Formats

{
  "mx": [
    "5 smg7.shanghaigm.com.",
    "5 smg5.shanghaigm.com.",
    "5 smg4.shanghaigm.com.",
    "5 smg3.shanghaigm.com.",
    "5 smg2.shanghaigm.com.",
    "5 smg.shanghaigm.com.",
    "3 smgs.shanghaigm.com."
  ],
  "spf": [
    "v=spf1 mx include:_spf.shanghaigm.com -all"
  ]
}