Email Formats
{
"mx": [
"10 mail1.fbs.com.",
"20 mail3.fbs.com.",
"30 mail.fbs.com."
],
"spf": [
"v=spf1 mx a:mail1.fbs.com ip4:79.134.220.206/32 ip4:45.147.161.92/32 ip4:154.61.138.133/32 ip4:23.109.89.199/32 include:spf.useresponse.com ~all"
]
}