Email Formats

{
  "mx": [
    "10 mail.interranetworks.com."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com ~all",
    "v=spf1 include:mailgun.org ~all",
    "v=spf1 mx a ip4:131.226.242.170 -all"
  ]
}