Email Formats

{
  "mx": [
    "10 mail-sl.mibanc.com.",
    "10 mail-tm.mibanc.com.",
    "10 mail.mibanc.com."
  ],
  "spf": [
    "v=spf1 mx include:res.cisco.com include:spf.constantcontact.com include:_spf.smtp.com ~all"
  ]
}