Email Formats
{
"mx": [
"20 mx2.emailsrvr.com.",
"10 mx1.emailsrvr.com."
],
"spf": [
"v=spf1 mx a ip4:64.132.106.128/26 ip4:166.78.95.92 ip4:50.57.65.42 ip4:50.57.66.11 ip4:50.57.65.21 ip4:50.57.65.56 ip4:199.66.102.120/30 include:emailsrvr.com include:_spf.salesforce.com -all"
]
}