Email Formats

{
  "mx": [
    "20 mailserver01.sciences-po.fr.",
    "10 mailserver03.sciences-po.fr."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:spf.mailjet.com ip4:193.54.67.0/24 ip4:51.15.250.81 ip4:93.188.174.149 ip4:31.172.161.61 ~all"
  ]
}