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Milter-greylist

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Is milter-greylist safe in large environments?

Is milter-greylist safe in large environments?

2005-06-08 by Thomas Cameron

Howdy all -

I want to implement milter-greylist in a relatively large environment
(about 6000 e-mail users).

I use milter-greylist on a bunch of smaller sites with no worries, but I
want to make sure that I'm not going to piss off my client by installing
something that is not stable.

Any issues running milter-greylist under a pretty heavy load?  The
servers are dual processor (2.2GHz Xeon) Proliant DL580s with 2GB memory
each, running RHEL 2.1 ES.  The version of the Sendmail RPM is
8.11.6-28.72.

I have been running 1.6.  Should I continue to do so or risk 2.0rc3?

Thanks!
Thomas Cameron

Re: [milter-greylist] Is milter-greylist safe in large environments?

2005-06-08 by -ray

Thomas,

I am running 1.6 for the university which has around 20,000 users. 
Machine is RHEL 2.1AS, quad processor, 4gig ram, doing around 100,000 
messages a day.  Have about 75,000 entries in the greylist db.  So far 
milter-greylist has been very stable, haven't had any problems.

ray


On Tue, 7 Jun 2005, Thomas Cameron wrote:

> Howdy all -
>
> I want to implement milter-greylist in a relatively large environment
> (about 6000 e-mail users).
>
> I use milter-greylist on a bunch of smaller sites with no worries, but I
> want to make sure that I'm not going to piss off my client by installing
> something that is not stable.
>
> Any issues running milter-greylist under a pretty heavy load?  The
> servers are dual processor (2.2GHz Xeon) Proliant DL580s with 2GB memory
> each, running RHEL 2.1 ES.  The version of the Sendmail RPM is
> 8.11.6-28.72.
>
> I have been running 1.6.  Should I continue to do so or risk 2.0rc3?
>
> Thanks!
> Thomas Cameron
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>

-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Ray DeJean  				       	 http://www.r-a-y.org
Systems Engineer                    Southeastern Louisiana University
IBM Certified Specialist  	      AIX Administration, AIX Support
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Re: [milter-greylist] Is milter-greylist safe in large environments?

2005-06-08 by Dawn Keenan

> Any issues running milter-greylist under a pretty heavy load?  The
> servers are dual processor (2.2GHz Xeon) Proliant DL580s with 2GB memory
> each, running RHEL 2.1 ES.  The version of the Sendmail RPM is
> 8.11.6-28.72.

We're running milter-greylist 1.6 on a cluster of FC1/3 servers (dual
processor Dells, 1GB memory) for a user community of about 40,000 and a
greylist.db which has about 600,000 entries.  The CPU isn't breaking a
sweat and memory usage appears fine, even though we run SpamAssassin and
ClamAV on the same servers, but we're running into occasional problems[*]
and are debating whether to enable lazyaw as a possible fix.

In addition to greylisting, we're using RBLs that turn away about
30,000 connections a day.

[*] Before someone with a hammer 'fixed' it by staggering daily
    restarts of the milter, milter-greylist would occasionally die with
    "pthreads can't create process: out of mem".  we also saw "cannot
    sync with peer 1.2.3.4:  out of space (1024 entries queued)" from
    time to time.

--
Dawn Keenan
University of Waterloo, Waterloo ON Canada

Re: [milter-greylist] Is milter-greylist safe in large environments?

2005-06-08 by Steven W. Orr

On Wednesday, Jun 8th 2005 at 10:54 -0400, quoth Dawn Keenan:

=>We're running milter-greylist 1.6 on a cluster of FC1/3 servers (dual
=>processor Dells, 1GB memory) for a user community of about 40,000 and a
=>greylist.db which has about 600,000 entries.  The CPU isn't breaking a
=>sweat and memory usage appears fine, even though we run SpamAssassin and
=>ClamAV on the same servers, but we're running into occasional problems[*]
=>and are debating whether to enable lazyaw as a possible fix.
=>
=>In addition to greylisting, we're using RBLs that turn away about
=>30,000 connections a day.
=>
=>[*] Before someone with a hammer 'fixed' it by staggering daily
=>    restarts of the milter, milter-greylist would occasionally die with
=>    "pthreads can't create process: out of mem".  we also saw "cannot
=>    sync with peer 1.2.3.4:  out of space (1024 entries queued)" from
=>    time to time.

What is lazyaw and where can I find it?

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