Email Formats

{
  "mx": [
    "10 cluster1.us.messagelabs.com.",
    "20 cluster1a.us.messagelabs.com.",
    "30 cluster4.us.messagelabs.com.",
    "40 cluster4a.us.messagelabs.com."
  ],
  "spf": [
    "v=spf1 ip4:204.74.76.0/24 ip4:204.74.77.0/24 ip4:206.117.161.0/24 ip4:174.77.64.139 ip4:52.36.231.186/24 mx  a:public.centergate.com include:spf.messagelabs.com include:emailsrvr.com include:clickbackspf.com include:clickbackspf.com mx ~all"
  ]
}