Email Formats

{
  "mx": [
    "10 mx.tds.net."
  ],
  "spf": [
    "v=spf1 mx ip4:216.170.230.0/23 ip4:204.246.1.0/24 include:_spf.tds.syn-alias.com include:servers.mcsv.net include:spfext.ibkr.com ~all"
  ]
}