Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com include:_spf.intacct.com include:_spf.ultipro.com include:_spf.salesforce.com include:spf-b.a2zinc.net include:spf-a.a2zinc.net ~all"
]
}