Email Formats
{
"mx": [
"100 mx01.swan.sk.",
"10 mx.swan.sk."
],
"spf": [
"v=spf1 a mx include:_spf_0.benestra.sk include:_spf_3.benestra.sk include:servers.mcsv.net include:sendgrid.net include:_spf_getresponse_com.benestra.sk ~all"
]
}