Email Formats

{
  "mx": [
    "10 mail.protonmail.ch.",
    "20 mailsec.protonmail.ch."
  ],
  "spf": [
    "v=spf1 ip4:8.33.137.105/32 ip4:192.99.77.81/32 include:spf.brevo.com include:_spf.protonmail.ch include:spf.mandrillapp.com ~all"
  ]
}