Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:71.66.157.162 ip4:71.66.157.163 ip4:199.87.61.100 include:silganpfc-com.spf.smtp25.com include:_spf.psm.knowbe4.com include:us._netblocks.mimecast.com -all"
]
}