Email Formats

{
"mx": [
"10 cluster6.us.messagelabs.com.",
"20 cluster6a.us.messagelabs.com."
],
"spf": [
"v=spf1 a mx ip4:209.166.178.132 ip4:209.166.136.16/28 ip4:209.166.188.192/28 include:servers.mcsv.net ~all"
]
}