Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"0 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx a ip4:184.183.99.214 ip4:184.183.99.212 ip4:72.196.80.110 ip4:168.245.47.60 include:sendgrid.net include:us._netblocks.mimecast.com include:smtp.smileback.com include:spf.myconnectwise.net include:amazonses.com ip4:198.135.188.16/32 ~all"
]
}