Email Formats

{
  "mx": [
    "10 in1-smtp.messagingengine.com.",
    "20 in2-smtp.messagingengine.com."
  ],
  "spf": [
    "v=spf1 include:mailgun.org include:spf.messagingengine.com include:spf.apptivo.com include:4569312.spf02.hubspotemail.net ~all"
  ]
}