Email Formats

{
  "mx": [
    "20 marpac.com.2.0001.arsmtp.com.",
    "10 marpac.com.1.0001.arsmtp.com."
  ],
  "spf": [
    "v=spf1 mx a include:2287691.spf03.hubspotemail.net include:mail.zendesk.com include:spf.protection.outlook.com include:sendgrid.net ~all"
  ]
}