Email Formats
{
"mx": [
"0 mx1.hc189338.iphmx.com.",
"0 mx2.hc189338.iphmx.com."
],
"spf": [
"v=spf1 a:mail.unisub.com ip4:216.74.48.89 ip4:74.218.37.230 ip4:98.102.53.130 ip4:188.118.44.13 include:spf_global.apog.com include:spf.constantcontact.com include:_spf.salesforce.com include:transmail.net -all"
]
}