Email Formats
{
"mx": [
"0 rp-edu-sg.mail.protection.outlook.com."
],
"spf": [
"v=spf1 ip4:202.21.159.231 ip4:202.21.159.232 ip4:149.72.162.194 include:spf.protection.outlook.com include:amazonses.com include:a._spf.brightspace.com include:_spf.createsend.com -all"
]
}