Email Formats

{
"mx": [
"20 mx2.packetforensics.com.",
"10 mx1.packetforensics.com."
],
"spf": [
"v=spf1 a mx ptr ip4:208.74.248.0/21 ip4:74.121.56.0/24 ip4:74.121.63.0/24 ~all"
]
}