Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx include:us._netblocks.mimecast.com ip4:63.209.193.143 ip4:208.77.63.205/32 ip4:209.55.25.4/32 ip4:162.244.96.24/32 ip4:208.77.63.202/32 -all"
]
}