Email Formats

{
  "mx": [
    "10 aspmx.l.google.com."
  ],
  "spf": [
    "v=spf1 mx include:_netblocks.google.com  include:_netblocks2.google.com include:_netblocks3.google.com include:mktomail.com include:sendgrid.net include:mail.zendesk.com include:_spf.salesforce.com ~all"
  ]
}