Email Formats

{
  "mx": [
    "20 mailsec.protonmail.ch.",
    "10 mail.protonmail.ch."
  ],
  "spf": [
    "v=spf1 include:_spf.mlsend.com include:mxsspf.sendpulse.com include:_spf.protonmail.ch include:sender.zohoinvoice.com ~all"
  ]
}