Email Formats

{
  "mx": [
    "10 cdn10.safenext.cn.",
    "10 cdn11.safenext.cn.",
    "20 cdn12.safenext.cn.",
    "20 cdn13.safenext.cn."
  ],
  "spf": [
    "v=spf1 include:spf.safenext.cn include:spfb.safenext.cn ~all"
  ]
}