Email Formats
{
"mx": [
"10 mailserver1b.caci.com.",
"10 mailserver2a.caci.com.",
"10 mailserver3a.caci.com.",
"20 mailserver2b.caci.com.",
"20 mailserver3b.caci.com."
],
"spf": [
"v=spf1 include:spf.protection.outlook.com -all"
]
}