Email Formats

{
  "mx": [
    "1 smtp.google.com."
  ],
  "spf": [
    "v=spf1 a mx include:sendgrid.net include:classy-mail.org include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.salesforce.com include:_spf.z2systems.com include:mailgun.org include:servers.mcsv.net include:_spf.google.com -all"
  ]
}