Email Formats

{
  "mx": [
    "10 mxb.relay.renater.fr.",
    "10 mxc.relay.renater.fr.",
    "10 mxd.relay.renater.fr.",
    "10 mxa.relay.renater.fr."
  ],
  "spf": [
    "v=spf1 mx ip4:129.199.96.32/28 ip4:129.199.96.3 ip4:5.135.56.216 ?all"
  ]
}