Email Formats

{
  "mx": [
    "0 mail.tofubox.com."
  ],
  "spf": [
    "v=spf1 ip4:174.142.221.19 include:relay.spamshield.io ip4:174.142.221.59 +a +mx +ip4:108.163.147.59 +ip4:174.142.230.146 +ip4:199.34.228.74+ip4:199.34.228.50?all ~all"
  ]
}