Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:208.86.168.7/32 ip4:207.207.10.64/26 include:us._netblocks.mimecast.com include:_spf.brainier.com include:spf.mailjet.com -all"
]
}