A lot of times I've seen issues with qpopper I've also seen errors with
the pam layer on the 550 os, having not got any bq boxes in production
use I can't say if that's still the problem or not
On Tue, 2006-05-16 at 16:49 +0200, Chris Hemsing wrote:
> Hello Gerald,
>
> to my knowledge, this issue has not yet been solved.
>
> I totally agree, that raq4 with an ancient 450MHz AMD K6 does not have these problems
> with hundreds of users!
> Thus it is not really a qpopper itself issue!
>
> As it seems nobody has ever done a thourough analysis.
> Like
> 1) what is the situation on the network side (trace the traffic that
> leads to the situation)
> 2) if qpopper gets stuck, has anybody attached a debugger and looked
> at what the situation in qpopper is?
> 3) qpopper compiled with debugging information
> 4) have qpopper do extensive logging/debugging output?
> 5) differentiate whether there is also an xinetd problem (or rather adjustment
> problem). The default maximum number of connections per second xinetd
> will accept is 50. If a company does a burst in parallel for all its
> mailaccounts...and this happens in parallel with some companies....
>
> Instead of doing all the work to move to a different pop3 solution
> (and possibly end up with the same situation as with qpopper) one
> should thouroughly analyse the problem. I would like to assisit, but
> I don't have the problem.
>
> If someone can give me ssh access to a machine, where the problems
> regularly show up, I will volunteer to try to find the reason.
>
> Chris
>
> Tuesday, May 16, 2006, 2:53:47 PM, you wrote:
>
> GW> Ken Marcus wrote
> >> I changed this on 5 of my servers and it did not have any
> >> ill effects that
> >> I can detect.
> >>
> >> I have not had any problems with it in any case, but if the
> >> reverse on the
> >> FTP slows it up so much, then it stands to reason that if the
> >> qpopper is
> >> doing a reverse lookup that it would slow it down immensly.
> >>
> >> On raq4 servers in the past I have had problems with
> >> customers that use
> >> something like popbeamer and overwhelm the qpopper. Or whole
> >> offices with
> >> time synchronized computers all checking their email every minute.
>
> GW> We have customers that are still having issues with qpopper.
> GW> Has there been a fix for this problem.
>
> GW> One customer has a RaQ4 that can handle the pop3 connections,
> GW> but a MSI server 3.0GHz Pentium4 2GB RAM can not!
>
> GW> Gerald
>
>