Email Formats
{
"mx": [
"10 smtp1-mke.securence.com.",
"10 smtp1-msp.securence.com."
],
"spf": [
"v=spf1 mx ip4:216.136.125.0/24 ip4:50.204.172.224/27 include:spf.constantcontact.com include:spf.securence.com include:outbound.dmsi.com include:outbound2.dmsi.com ~all"
]
}