Re: Proxying a policy service

2009-05-18 Thread Jan P. Kessler
J Sloan schrieb: I'm going to try out hapolicy first, since it's quite a bit quicker and cheaper to set up than full blown mysql replication. hapolicy (http://postfwd.org/DEVEL/tools/hapolicy-0.99.1) was developed to be small (~200 lines perl), simple and reliable. therefore it uses only

Re: Proxying a policy service

2009-05-18 Thread J Sloan
Jan P. Kessler wrote: hapolicy (http://postfwd.org/DEVEL/tools/hapolicy-0.99.1) was developed to be small (~200 lines perl), simple and reliable. therefore it uses only basic perl modules and relies on postfix spawn. we run it since more than 6 months without problems to have a shared

Re: Proxying a policy service

2009-05-14 Thread J Sloan
Geert Hendrickx wrote: What drawbacks did you experience? We run a local policyd instance on each postfix server too, all connecting to a central (not replicated) MySQL. Policyd's behaviour when MySQL becomes unavailable is configurable, it can either tempfail (4xx) all incoming e-mail or

Re: Proxying a policy service

2009-05-14 Thread Geert Hendrickx
On Thu, May 14, 2009 at 10:15:07AM -0700, J Sloan wrote: Yes, that is the benefit of doing it that way. But we experienced problems with recurring corruption of the isam tables when the network connections to the db server were interrupted. Apparently myisam tables don't deal well with

Re: Proxying a policy service

2009-05-14 Thread J Sloan
Geert Hendrickx wrote: On Thu, May 14, 2009 at 10:15:07AM -0700, J Sloan wrote: Yes, that is the benefit of doing it that way. But we experienced problems with recurring corruption of the isam tables when the network connections to the db server were interrupted. Apparently myisam tables

Proxying a policy service

2009-05-13 Thread Adrian Overbury
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

Re: Proxying a policy service

2009-05-13 Thread lst_hoe02
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

Re: Proxying a policy service

2009-05-13 Thread J Sloan
Adrian Overbury wrote: 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

Re: Proxying a policy service

2009-05-13 Thread Sahil Tandon
On May 13, 2009, at 12:51 PM, J Sloan j...@tmsusa.com wrote: Adrian Overbury wrote: 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

Re: Proxying a policy service

2009-05-13 Thread Wietse Venema
J Sloan: Adrian Overbury wrote: 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'.

Re: Proxying a policy service

2009-05-13 Thread J Sloan
Wietse Venema wrote: J Sloan: Adrian Overbury wrote: 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

Re: Proxying a policy service

2009-05-13 Thread J Sloan
Sahil Tandon wrote: Google 'hapolicy synopsis' -- the author of postfwd wrote a perl script which acts as a load balancing policy service that can return dunno if the underlying services are unreachable. Obviously, if hapolicy itself malfunctions, you're back at square one. Looks

Re: Proxying a policy service

2009-05-13 Thread mouss
Adrian Overbury a écrit : 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