Email Formats

{
  "mx": [
    "10 mail.protonmail.ch.",
    "20 mailsec.protonmail.ch."
  ],
  "spf": [
    "v=spf1 include:_spf.protonmail.ch include:spf.mtasv.net ip4:13.54.67.221 ip4:54.206.39.239 ip4:54.254.51.211 mx ~all"
  ]
}