Email Formats
{
"mx": [
"0 mujin-co-jp.mail.protection.outlook.com."
],
"spf": [
"v=spf1 a mx a:tat-relay.mujin.co.jp ip4:150.249.222.230/32 ip4:39.110.214.243/32 ip4:118.238.217.92/32 ip4:128.199.107.97/32 include:spf.protection.outlook.com include:servers.mcsv.net -all"
]
}