Email Formats
{
"mx": [
"10 za-smtp-inbound-2.mimecast.co.za.",
"10 za-smtp-inbound-1.mimecast.co.za."
],
"spf": [
"v=spf1 include:_netblocks.mimecast.com include:servers.mcsv.net ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 -all"
]
}