Email Formats
{
"mx": [
"10 mx1.emailsrvr.com.",
"20 mx2.emailsrvr.com."
],
"spf": [
"v=spf1 include:ca._netblocks.mimecast.com ip4:216.9.52.4 ip4:167.92.67.11 ip4:167.92.126.11 include:mambonetcom.com include:spf.mandrillapp.com include:emailsrvr.com include:mailgun.org ?all"
]
}