Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:67.130.32.0/22 ip4:67.217.80.0/23 ip4:54.4.203.135/32 ip4:159.183.153.77 ip4:159.183.153.68 include:servers.mcsv.net include:spf.messagelabs.com include:spf.amris.com include:us._netblocks.mimecast.com ~all"
]
}