Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 +mx +a ip4:66.160.181.92 ip4:209.239.233.124 ip4:209.239.233.125 ip4:64.0.146.124 ip4:64.0.146.125 ip4:209.220.191.124 include:spf.constantcontact.com +include:us._netblocks.mimecast.com +include:sendgrid.net ~all"
]
}