Email Formats

{
  "mx": [
    "1 smtp.google.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:54.39.160.6 ip4:149.56.26.143 ip4:144.217.189.16 include:_spf.google.com include:_spf.salesforce.com ~all"
  ]
}