Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"20 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:63.247.178.131 include:aspmx.pardot.com include:sendgrid.net include:_spf.salesforce.com include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all"
]
}