Email Formats

{
  "mx": [
    "10 c.mx.mayfirst.org.",
    "20 b.mx.mayfirst.org.",
    "30 a.mx.mayfirst.org."
  ],
  "spf": [
    "v=spf1 a a:spf.mayfirst.org include:spf.mandrillapp.com ~all"
  ]
}