RE: Delivery delay problems
>The client concurrency must not exceed the service concurrency, andI will update to the last Kaspersky AntiSpam, lower and do some changes so
>virus scanning is CPU intensive, and in my experience this is too much.
>Of course in a multi-filter chain, if any of the filters are high
>latency, the combined filter latency can throttle the CPU demand
>of any CPU intensive stage, and in that case, higher concurrency
>may be appropriate, but if filters in a chain have vastly different
>characteristics (impedance mismatch), it may be appropriate to
>insert a Postfix queue in between:
> Postfix -> filter1 -> Postfix -> filter2 -> Postfix ...
>Each Postix stage (except the last) sets a suitable content filter, has
>appropriate concurrency settings, ...
that client concurrency does not exceed service concurrency.
If the problem remains, I'll try the chain you suggest and maybe move the
Antivirus to another box.