Email Formats

{
  "mx": [
    "0 ioncorp.mail.protection.office365.us."
  ],
  "spf": [
    "v=spf1 mx ip4:74.94.80.137 ip4:74.94.80.138 ip4:173.254.104.205 include:spf.ess.barracudanetworks.com include:spf.protection.office365.us ~all"
  ]
}