Email Formats

{
  "mx": [
    "10 nationalbanktexas-com.mx1.arsmtp.com.",
    "20 nationalbanktexas-com.mx2.arsmtp.com."
  ],
  "spf": [
    "v=spf1 include:spf.constantcontact.com include:spfref.jackhenry.com include:amazonses.com include:mailgun.org include:edgepilot.com -all"
  ]
}