>> It might be worth posting on the postfix users list about the benefits >> of a dqs account; I use it with postscreen and smtpd to good effect. > > I thought about that, but there are some issues I think.
There is another generic benefit: It might be the only alternative to access ZEN when spamhaus.org's cut-off [2] is in effect. The cut-off doesn't need to be ones own fault but might have happened before one acquired the affected IP address. [2] https://www.spamhaus.org/organization/dnsblusage/
