Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:208.82.213.107 include:us._netblocks.mimecast.com include:tamaracinc.com include:spf.constantcontact.com a:smtpout.tamaracinc.com ~all"
]
}