Email Formats
{
"mx": [
"10 mx1.emailsrvr.com.",
"20 mx2.emailsrvr.com."
],
"spf": [
"v=spf1 ip4:162.209.19.99/32 ip4:184.106.55.137/32 include:emailsrvr.com include:spf.mailengine1.com include:mail.zendesk.com include:_spf.salesforce.com include:spf.constantcontact.com ~all"
]
}