Email Formats

{
  "mx": [
    "5 tay.is.ed.ac.uk.",
    "5 danube.is.ed.ac.uk.",
    "5 rhine.is.ed.ac.uk.",
    "5 thames.is.ed.ac.uk."
  ],
  "spf": [
    "v=spf1 include:_spf.ed.ac.uk ~all"
  ]
}