Hi Boyd,
I'm not aware of any benchmark testing. I don't think anyone does it as a matter of routine. Environments and configurations are highly variable.
I'm still using what I think is nine year old hardware (to be upgraded soon for support reasons, not for performance), and performance has never been a problem provided queues are kept to a reasonable size: tens of thousands of queued messages is too much, but generally we don't exceed a few hundred queued messages.
I'm quite happy with processing and scanning (ClamAV and SpamAssassin) a million messages per day per host on this hardware. Our mailstores are not on this hardware - and that will make a big difference.
On 15 Aug 2013, at 09:04, boyd yang <boyd.yang@???> wrote:
> Hello,
>
> I'm testing exim4-heavy 4.80 now with loadrunner.
>
> Do you know the latest the performance benchmark?
>
> Thanks!
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