Email Formats

{
  "mx": [
    "40 mx4.bigmountainmail.com.",
    "20 mx2.bigmountainmail.com.",
    "10 mx1.bigmountainmail.com.",
    "30 mx3.bigmountainmail.com."
  ],
  "spf": [
    "v=spf1 mx include:us1.kerio.cloud _spf.bigmountainmail.com -all"
  ]
}