Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:209.53.224.34 ip4:209.53.224.39 ip4:209.61.151.242 ip4:204.187.13.67 ip4:209.53.224.53 include:us._netblocks.mimecast.com include:spf-us.emailsignatures365.com include:sendgrid.net include:_spf.bigcommerce.com include:_spf.ultipro.com -all"
]
}