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List:       qmail
Subject:    Re: Thanks in advance for your help- qmail-smtpd issue
From:       Hugo Monteiro <hmmm () fct ! unl ! pt>
Date:       2012-05-16 14:29:55
Message-ID: CAKSwX71mSp8qXHFsimxzN607HwcmnCtPVEvKBtCTr484zApqUw () mail ! gmail ! com
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Verify the number of max file descriptors your system allows.
But what you really should start doing is to check the logs for
messages indicating the problem.

Regards,

Hugo Monteiro.


On Wed, May 16, 2012 at 3:18 PM, David Enrique Espejo Rodriguez
<despejo@ifxcorp.com> wrote:
> Good morning community:
>
>
>
> We are having a very annoying issue with a qmail-ldap 1.03 implementation
> with approx 30k mailboxes. Suddenly, the users begin to receive an error
> like “451 mail server temporarily rejected message” when they try to send
> from webmail or desktop mail client. The qmail-smtpd sockets remain open,
> and the only workaround is to restart the service. We haven´t found evidence
> of spam attack, but the issue is occurring now every day.
>
>
>
> We really appreciate your help, because is hitting our production system.
>
>
>
> Thanks
>
>
>
> David  Espejo
>
> Colombia
>
>
>
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-- 
fct.unl.pt:~# cat .signature

Hugo Monteiro
Email    : hugo.monteiro@fct.unl.pt
Telefone : +351 212948300 Ext.15307
Web      : http://hmonteiro.net

Divisão de Informática
Faculdade de Ciências e Tecnologia da
                  Universidade Nova de Lisboa
Quinta da Torre   2829-516 Caparica   Portugal
Telefone: +351 212948596   Fax: +351 212948548
www.fct.unl.pt                apoio@fct.unl.pt

fct.unl.pt:~# _
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