Email Formats

{
  "mx": [
    "10 eu-esec-01.heimdalsecurity.com.",
    "20 eu-esec-02.heimdalsecurity.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:212.139.157.138 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com ~all"
  ]
}