Email Formats

{
"mx": [
"11 mx0.cnb.cz.",
"22 mx1.cnb.cz."
],
"spf": [
"v=spf1 mx ip4:193.86.31.131 ip4:193.86.31.132 ip4:193.85.3.250 ip4:193.86.31.141 ip4:193.86.31.142 -all"
]
}