Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 mx include:us._netblocks.mimecast.com include:19629513.spf01.hubspotemail.net include:_spf.psm.knowbe4.com include:secureserver.net ip4:66.115.217.161 ~all"
]
}