Email Formats
{
"mx": [
"10 az-h1-mailin-vm.hertsmere.gov.uk.",
"20 mx-in-hbc-lon.fredo.co.uk."
],
"spf": [
"v=spf1 ip4:35.178.19.139 ip4:52.56.88.112 ip4:212.84.172.250 include:_spf.eu.mailgun.org include:spf.protection.outlook.com include:sendgrid.net include:_spf.zivver.com ~all"
]
}