Email Formats

{
  "mx": [
    "0 rf--boston-com.mx1.arsmtp.com.",
    "5 rf--boston-com.mx2.arsmtp.com."
  ],
  "spf": [
    "v=spf1 include:49044220.spf02.hubspotemail.net include:sendgrid.net include:edgepilot.com -all"
  ]
}