Email Formats

{
  "mx": [
    "10 smtp1.sbv.gov.vn."
  ],
  "spf": [
    "v=spf1 mx mx:sbv.gov.vn ip4:202.58.245.230 ip4:202.58.245.231 ip4:202.58.245.91 ip4:202.58.245.92 ip4:202.58.245.93 -all"
  ]
}