Email Formats

{
  "mx": [
    "10 mail.qsrsystems.com.",
    "120 mail.qsrsystems.com.",
    "110 mail.qsrsystems.com.",
    "100 mail.qsrsystems.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:165.140.159.67 -all"
  ]
}