Email Formats

{
  "mx": [
    "500 mail1.hoasengroup.vn.",
    "505 mail2.hoasengroup.vn.",
    "110 mail.hoasengroup.vn.",
    "115 mail.hoasengroup.vn."
  ],
  "spf": [
    "v=spf1 mx a ip4:123.30.114.201 ip4:125.234.100.153 mx:mail.hoasengroup.vn include:spf.protection.outlook.com -all"
  ]
}