Email Formats

{
  "mx": [
    "20 mx2.mtaroutes.com.",
    "40 mx4.mtaroutes.com.",
    "50 adsemi.com.pri-mx.na0106.smtproutes.com.",
    "60 adsemi.com.bak-mx.na0106.smtpbak.com.",
    "10 mx1.mtaroutes.com.",
    "30 mx3.mtaroutes.com."
  ]
}