Email Formats
{
"mx": [
"10 primary.ca.email.fireeyecloud.com.",
"20 alt1.ca.email.fireeyecloud.com.",
"30 alt2.ca.email.fireeyecloud.com.",
"40 alt3.ca.email.fireeyecloud.com."
],
"spf": [
"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
]
}