Email Formats

{
  "mx": [
    "10 st.sakura.com.tw.",
    "20 st.topax.com.tw.",
    "30 st2.sakura.com.tw."
  ],
  "spf": [
    "v=spf1 ip4:210.66.74.141 ip4:211.72.23.168 include:_spf.google.com a mx ~all"
  ]
}