Email Formats

{
  "mx": [
    "10 mx2.wolfram.com.",
    "10 mx1.wolfram.com."
  ],
  "spf": [
    "v=spf1 mx ip4:140.177.61.16 ip4:140.177.7.254 a:relay.wolfram.com a:mailhub.wolfram.com include:infosec-spf.wolfram.com -all"
  ]
}