Email Formats

{
  "mx": [
    "10 mx1.hc3550-4.iphmx.com.",
    "20 mx2.hc3550-4.iphmx.com."
  ],
  "spf": [
    "v=spf1 include:_spf.salesforce.com a:mailers.apptoto.com -all"
  ]
}