Email Formats

{
  "mx": [
    "10 webservicesinc-net.p10.mxthunder.com.",
    "20 webservicesinc-net.p20.mxthunder.net.",
    "40 webservicesinc-net.p40.mxthunder.net.",
    "30 webservicesinc-net.p30.mxthunder.net."
  ]
}