Email Formats
{
"mx": [
"5 east.smtp.mx.exch028.serverdata.net.",
"0 west.smtp.mx.exch028.serverdata.net."
],
"spf": [
"v=spf1 include:spf.serverdata.net include:spf.smtp2go.com ~all mx a:exch028.serverdata.net ip4:64.78.0.0/18 ip4:209.59.156.182"
]
}