Email Formats

{
  "mx": [
    "20 mailgate4.bbtower.co.jp.",
    "40 mailgate5.bbtower.co.jp."
  ],
  "spf": [
    "v=spf1 include:_spf-ip4.bbtower.co.jp  a:ngpp.bbtower.ne.jp include:_spf.google.com include:spf.haihaimail.jp include:_spf.activegate-ss.jp ~all"
  ]
}