Email Formats

{
  "mx": [
    "10 mail.protonmail.ch.",
    "20 mailsec.protonmail.ch."
  ],
  "spf": [
    "v=spf1 ip4:209.197.251.186 ip4:192.175.57.41 include:_spf.protonmail.ch include:spf.protection.outlook.com ~all"
  ]
}