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
> > problem for me.
>
> I don't know specifically of a proxy offering that functionality, but I
> too would find it useful. We are running policyd v 1.82 on a mysql
> server, which is used by 4 smtp gateways in 2 data centers. If ever
> there are wan issues and the policyd server is unreachable, smtp
Instead of sending MySQL queries over a WAN connection, have you
considered using a local MySQL replica instead? When the WAN hiccups,
the replica keeps answering to the local MTAs.
Wietse
> connections to postfix simply fail during this time. A proxy which could
> simply say "Dunno" when the policy server is unreachable would be very
> useful indeed. If you do come across such a beast, do drop us a line!
>
> Joe
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