Email Formats

{
  "mx": [
    "10 mail1.mxsmtp.com.",
    "40 mail4.mxsmtp.com.",
    "30 mail3.mxsmtp.com.",
    "20 mail2.mxsmtp.com."
  ],
  "spf": [
    "v=spf1 ip4:50.231.215.226 -all"
  ]
}