Email Formats
{
"mx": [
"20 alt1.aspmx.l.google.com.",
"20 alt2.aspmx.l.google.com.",
"10 aspmx.l.google.com.",
"30 aspmx2.googlemail.com.",
"40 aspmx3.googlemail.com."
],
"spf": [
"v=spf1 mx -all",
"v=spf1 include:_spf.google.com ~all",
"v=spf1 a mx ptr ip4:208.109.168.109 ip4:67.207.149.89 ip4:70.168.186.218 include:aspmx.googlemail.com include:spf.mandrillapp.com ~all"
]
}