Email Formats

{
  "mx": [
    "10 ctsa-com.mx1.arsmtp.com.",
    "20 ctsa-com.mx2.arsmtp.com."
  ],
  "spf": [
    "v=spf1  a mx a:dispatch-us.ppe-hosted.com include:_spf.google.com include:ctsa-com.spf.smtp25.com ~all"
  ]
}