Email Formats

{
  "mx": [
    "10 mcka-com.mx1.arsmtp.com.",
    "20 mcka-com.mx2.arsmtp.com."
  ],
  "spf": [
    "v=spf1 ip4:75.151.15.53 ip4:75.147.242.53 ip4:76.252.197.17 include:servers.mcsv.net include:spf.constantcontact.com include:spf.protection.outlook.com include:edgepilot.com ~all"
  ]
}