Requested action not taken: mailbox unavailable. [SMTP Error Code 550]
Has anyone ever seen this error? Please email me at derrick@??? if
you can shed some light on this subject. Thanks.
----- Original Message -----
From: "Tom Samplonius" <tom@???>
To: <EXIMUsers@???>
Cc:
Sent: Saturday, May 05, 2001 11:06 AM
Subject: Re: [Exim] Exim performance on large mail systems
>
> On Wed, 2 May 2001 EXIMUsers@??? wrote:
>
> > One of our dedicated exim mail servers, a dual cpu sun box with 1GB ram,
> > currently sends about 10GB a day outbound. Recently this machine has
peaked
> > at over 800 exim processes, pushing free memory down to about 15MB.
>
> There are usually a lot of misconceptions about what "free memory" is on
> a Unix based system. "free memory" is supposed to be small, otherwise
> memory is being wasted. You should looking at swap activity instead.
>
> > Are there any particular configuration changes that can help with
> > performance on exim systems pushing a lot of mail and starting up a lot
of
> > proccesses? I was considering just setting queue_only, launching exim
with
>
> Something that doesn't get recommended enough: link exim static. The
> dynamic linker adds startup overhead everytime a new exim processed is
> run. Do not be fooled by the larger size of the exim binary as this will
> likely save memory. All modern Unix systems use a COW VM, so multiple
> intances of the same executable don't use any more memory. This is
> usually more efficient with a static binary.
>
>
> Tom
>
>
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>
