Email Formats

{
  "mx": [
    "5 amcrelay2.faa.gov.",
    "5 relay1.faa.gov.",
    "5 amcrelay4.faa.gov.",
    "5 amcrelay3.faa.gov.",
    "5 relay3.faa.gov.",
    "5 relay2.faa.gov.",
    "5 amcrelay1.faa.gov.",
    "5 relay4.faa.gov."
  ],
  "spf": [
    "v=spf1 include:faa.gov._nspf.valigov.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.valigov.email ~all"
  ]
}