Email Formats
{
"mx": [
"0 ca-smtp-inbound-1.mimecast.com.",
"10 ca-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx:riverrun.ca ip4:216.171.97.251 include:spf.protection.outlook.com include:ca._netblocks.mimecast.com -all"
]
}