Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a ip4:156.21.0.0/16 ip4:173.229.1.74 ip4:72.35.20.197 include:spf.protection.outlook.com include:mktomail.com include:_spf.sendergen.com include:us._netblocks.mimecast.com include:_spf.salesforce.com include:spf.ihance.net -all"
]
}