Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:_spf.safewebservices.com include:_spf.iriscrm.com include:secureserver.net include:us._netblocks.mimecast.com include:467991.spf05.hubspotemail.net include:spf.protection.outlook.com ~all"
]
}