Email Formats

{
  "mx": [
    "10 mx.aams4.jp.",
    "20 mx-0.aams4.jp.",
    "20 mx-1.aams4.jp."
  ],
  "spf": [
    "v=spf1 include:spf.aams4.jp include:spf1.interspace.ne.jp include:mdsugar.maildealer.jp include:smp.ne.jp ~all"
  ]
}