Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com ip4:107.23.94.186 ip4:54.240.34.60 ip4:54.240.34.61 include:amazonses.com include:mail.commonsku.com ~all"
]
}