Email Formats

{
  "mx": [
    "20 specialtyengraving-com.mx2.arsmtp.com.",
    "10 specialtyengraving-com.mx1.arsmtp.com."
  ],
  "spf": [
    "v=spf1 include:mailgun.org include:emailsrvr.com include:appriver.com ~all"
  ]
}