Personally I don't use Postfix, I am going with Zimbra. Postfix was just an example. As well as DANE would require exactly 4 commands to be enabled. For myself

Personally I don't use Postfix, I am going with Zimbra. Postfix was just an example. As well as DANE would require exactly 4 commands to be enabled. For myself I am going with a major commercial antispam solution, which is hosted in two of our datacenters. Since I am working with the developers and admins on regular basis there's no reason not to trust them.