Email Formats
{
"mx": [
"10 mail.synology.com.",
"20 usmail.synology.com."
],
"spf": [
"v=spf1 mx:synology.com include:_spf.salesforce.com include:amazonses.com include:spf.mandrillapp.com include:_spf.getresponse.com include:md02.com include:eu.zeptomail.net ip4:63.145.198.179 -all"
]
}