* Wietse Venema <wie...@porcupine.org>: > Erik Logtenberg: > > Wietse, is there a reason why you would not want a permit_rbl_client > > feature in postfix? If not, then I would like to hereby suggest this > > feature request. > > If you would approve the feature request but don't have the time and/or > > other incentive to implement it, I'd gladly try to submit a patch. > > I understand what needs to happen when the DNS server replies that > the client is or is not listed, though I don't know if there is > any convention for positive whitelist replies. > > What is supposed to happen in the absence of a valid DNS reply? > Is there a difference between SERVAIL, timeout, and so on? > I don't want to be swamped with bug reports that "postfix > has buggy access control".
Unfortunately, RFC 5782 isn't helpful for answering those questions. Stefan
