Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:205.139.111.0/24 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:spf.constantcontact.com include:servers.mcsv.net include:mail.zendesk.com include:relay.mailchannels.net -all"
]
}