Email Formats

{
  "mx": [
    "10 mail.hncb.com.tw.",
    "20 mail2.hncb.com.tw."
  ],
  "spf": [
    "v=spf1 a mx ip4:175.98.152.5 ip4:60.251.255.2 ip4:124.219.27.161 ip4:61.220.137.229 -all"
  ]
}