Email Formats
{
"mx": [
"10 cluster1.eu.messagelabs.com.",
"20 cluster1a.eu.messagelabs.com."
],
"spf": [
"v=spf1 ip4:74.122.255.236/32 ip4:74.122.255.237/32 ip4:74.122.251.236/32 ip4:74.122.251.237/32 ip4:54.240.54.43/32 include:spf.messagelabs.com ~all"
]
}