Email Formats

{
  "mx": [
    "10 m01.mobifone.vn."
  ],
  "spf": [
    "v=spf1 +mx ip4:123.30.18.121 ip4:123.30.18.122 ip4:123.30.18.123 ip4:103.199.77.11 ip4:103.199.77.12 ip4:103.199.77.13 ip4:103.199.77.35 include:sparkpostmail.com -all"
  ]
}