Email Formats
{
"mx": [
"10 srv1.flexfilter.nl.",
"10 srv2.flexfilter.nl."
],
"spf": [
"v=spf1 mx a ip4:192.174.88.179 ip4:192.174.88.180 ip4:94.124.91.219 ip4:5.22.248.14 ip4:94.124.92.4 ip4:5.22.248.27 ip4:93.188.254.231 ip4:185.175.25.103 include:spf.duracert.com ~all"
]
}