Email Formats

{
  "mx": [
    "5 mailgates.ttl.com.tw.",
    "10 mail.ttl.com.tw."
  ],
  "spf": [
    "v=spf1 ip4:220.128.191.2 ip4:220.128.191.5 ip4:220.128.191.12 ~all"
  ]
}