Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:_netblocks.icims.com include:us._netblocks.mimecast.com ip4:71.245.230.198 include:spf.zixsmbhosted.com include:_spf.salesforce.com -all"
]
}