Email Formats

{
  "mx": [
    "20 mx2.avic.com.",
    "10 mx.avic.com.",
    "15 mx1.avic.com."
  ],
  "spf": [
    "v=spf1 include:spf.a.avic.com include:spf.b.avic.com include:spf.mxhichina.com -all"
  ]
}