Email Formats

{
  "mx": [
    "5 mx1.scut.edu.cn.",
    "5 mx3.scut.edu.cn.",
    "5 mx4.scut.edu.cn.",
    "5 mx2.scut.edu.cn."
  ],
  "spf": [
    "v=spf1 include:spf.scut.edu.cn -all"
  ]
}