Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:209.170.237.135 include:us._netblocks.mimecast.com include:servers.mcsv.net include:283750.spf06.hubspotemail.net -all"
]
}