Email Formats
{
"mx": [
"5 us-smtp-inbound-1.mimecast.com.",
"5 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a ip4:50.23.255.128/29 ip4:208.70.208.0/22 ip4:69.84.129.227/27 ip4:173.220.209.202 ip4:184.172.13.192/29 ip4:74.91.95.234 include:maximizerspf.smtp.com include:us._netblocks.mimecast.com include:servers.mcsv.net ~all"
]
}