Email Formats

{
  "mx": [
    "10 mailstream-central.mxrecord.mx.",
    "20 mailstream-east.mxrecord.io.",
    "20 mailstream-west.mxrecord.io."
  ],
  "spf": [
    "v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
  ]
}