Email Formats

{
  "mx": [
    "5 mail2.frequentis.com.",
    "5 mail1.frequentis.com."
  ],
  "spf": [
    "v=spf1 mx ip4:91.217.55.77 ip4:91.217.55.76 include:spf.protection.outlook.com -all"
  ]
}