Zitat von Adrian Overbury <adr...@inomial.com>:
Has anyone ever written a proxy server for policy services? I have a policy server (grossd, one of the best greylisting engines I've ever used) that, if it goes down, causes my Postfix servers to temp fail everything with 'Server configuration problem'. This is a real problem for me. I'd like to proxy the service so that, if it goes down, the proxy responds with DUNNO and the message continues to be checked against the next item in the chain. Does anyone know of anything pre-made that can achieve this, or am I going to have to write it myself?
Makes little sense to me. If your proxy goes down you are at the same point as before. If your greylister is not stable you should use another or fix the problem. Don't use unreliable software to do decisions about mailflow or your mailflow will be unreliable.
Regards Andreas
