Email Formats

{
  "mx": [
    "10 smx1.percepticon.net.",
    "20 smx2.percepticon.net.",
    "20 lastmx.spamexperts.net."
  ],
  "spf": [
    "v=spf1 a mx ip4:23.92.184.0/24 ip4:107.170.240.208 include:emsd1.com include:percepticon.net exists:%{i}._spf.sparkpostmail.com ptr:sparkpostmail.com ptr:spmta.com ptr:flyingenvelope.com ~all"
  ]
}