Email Formats
{
"mx": [
"10 ca-smtp-inbound-1.mimecast.com.",
"10 ca-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:ca._netblocks.mimecast.com ip4:66.240.131.134 include:_spf.google.com include:_spf.psm.knowbe4.com include:spf.salesforce.com ~all"
]
}