Email Formats

{
  "mx": [
    "10 tw1.htisec.com.",
    "20 tw2.htisec.com."
  ],
  "spf": [
    "v=spf1 mx a:mail5.htisec.com a:mail6.htisec.com a:mail7.htisec.com a:mail8.htisec.com ip4:202.22.245.0/24 ip4:208.81.212.0/22 a:equities.htisec.com ~all"
  ]
}