Email Formats
{
"mx": [
"10 mx1c25.carrierzone.com.",
"100 mx2c25.carrierzone.com.",
"110 mx3c25.carrierzone.com.",
"120 mx4c25.carrierzone.com."
],
"spf": [
"v=spf1 ip4:209.235.146.0/24 ip4:64.29.147.0/24 include:spfc40.carrierzone.com ~all"
]
}