Email Formats
{
"mx": [
"5 alt1.aspmx.l.google.com.",
"10 aspmx2.googlemail.com.",
"5 alt2.aspmx.l.google.com.",
"1 aspmx.l.google.com.",
"10 aspmx3.googlemail.com."
],
"spf": [
"v=spf1 a mx ip4:75.125.82.64/26 ip4:198.11.238.64/29 ip4:5.153.10.139 ip4:169.50.129.102 include:_spf.salesforce.com include:_spf.google.com include:mktomail.com -all"
]
}