Email Formats

{
  "mx": [
    "10 sheffercorp-com.mx1.arsmtp.com.",
    "20 sheffercorp-com.mx2.arsmtp.com.",
    "50 mail.sheffercorp.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:76.190.108.14/32 include:spf.protection.outlook.com include:sheffercorp-com.spf.smtp25.com -all"
  ]
}