Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 include:_netblocks.mimecast.com include:spf.vx-email.com include:_spf.psm.knowbe4.com ip4:52.1.234.206 ip4:52.70.152.226 -all"
]
}