Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:63.123.93.146 ip4:65.240.235.146 ip4:209.167.53.152 include:us._netblocks.mimecast.com include:spf.synxis.com ~all"
]
}