Email Formats

{
  "mx": [
    "1 smtp.google.com."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:_spf.createsend.com include:spf.constantcontact.com include:mailsenders.netsuite.com include:_spf.salesforce.com +ip4:108.178.43.214 +ip4:159.183.122.251 -all"
  ]
}