Email Formats
{
"mx": [
"10 za-smtp-inbound-1.mimecast.co.za.",
"10 za-smtp-inbound-2.mimecast.co.za."
],
"spf": [
"v=spf1 mx include:_netblocks.mimecast.com include:spfza.rocketseed.com include:mail.zendesk.com include:_spf.psm.knowbe4.com ~all"
]
}