Email Formats
{
"mx": [
"45 mailhost1.ircam.fr.",
"40 mailhost4.ircam.fr."
],
"spf": [
"v=spf1 include:_spf.ircam.fr +ip4:129.102.3.71 +ip4:129.102.3.72 +ip6:2001:660:3004:4001:0:0:71:25 +ip6:2001:660:3004:4001::72:25 +ip4:129.102.0.0/16 +ip6:2001:660:3004::/48 -all"
]
}