Milter-greylist

All;
  I am having a problem wherein I max out at 255(6) children from
milter-greylist. This is causing an issue, as sendmail attempts to open a
pipe to a child, and the milter can not spawn a new child for it to connect
to. As such, the milter fails for that message. I am running rh73, and have
confirmed that neither sysctl nor ulimit are at fault here (max proc for
milter user, 512, max FD open, 2048). I could find nothing that would
indicate a hard limit on this. Is it possible to increase the max conf
children from 1 to 2 as a psuedo fix for this, enabling more children? What
would the effects of this be? I understand that this is an issue on pre-nptl
linux machines. Any assistance would be appreciated.

For reference, a pstree output looks like:
 |-milter-greylist,19703,milter)
 |
  |   `-milter-greylist,19704)
  |
  |       |-milter-greylist,(255 children here at max sendmail connects)

I would think that increasing conf children to 2 would create an additional
milter at 19705, with 255 max children allocatable to it as well. If this is
inaccurate or dangerous, let me know. Thanks.

-------------------------------------------------------

Hi all, I was wondering if anyone had some input on the issue I asked about 
earlier regarding children maxing out? Thanks kindly.

On Tuesday 22 August 2006 08:16 am, eclark wrote:
> All;
>   I am having a problem wherein I max out at 255(6) children from
> milter-greylist. This is causing an issue, as sendmail attempts to open a
> pipe to a child, and the milter can not spawn a new child for it to connect
> to. As such, the milter fails for that message. I am running rh73, and have
> confirmed that neither sysctl nor ulimit are at fault here (max proc for
> milter user, 512, max FD open, 2048). I could find nothing that would
> indicate a hard limit on this. Is it possible to increase the max conf
> children from 1 to 2 as a psuedo fix for this, enabling more children? What
> would the effects of this be? I understand that this is an issue on
> pre-nptl linux machines. Any assistance would be appreciated.
>
> For reference, a pstree output looks like:
>  |-milter-greylist,19703,milter)
>  |
>   |   `-milter-greylist,19704)
>   |
>   |       |-milter-greylist,(255 children here at max sendmail connects)
>
> I would think that increasing conf children to 2 would create an additional
> milter at 19705, with 255 max children allocatable to it as well. If this
> is inaccurate or dangerous, let me know. Thanks.
>
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