Re: [cobalt-users] Pop3 Server needs to be reset each morning

["Jeremy Towne" <jtowne@xxxxxxxxxxxxx>]

Does anyone know the original/default nowait is?

Jeremy Towne


---------- Original Message -----------
From: Larry Smith <lesmith@xxxxxxxxx>
To: cobalt-users@xxxxxxxxxxxxxxx
Sent: Tue, 18 Nov 2003 07:59:09 -0600
Subject: Re: [cobalt-users] Pop3 Server needs to be reset each morning

> On Tuesday 18 November 2003 07:04, Jason Gottschalk wrote:
> > Hello cobalt-users,
> >
> >   Every morning, just when I guess many of our customers start showing
> >   up to work, I have to stop and start the e-mail services on my RAQ4i
> >   because nobody can get their mail.
> >
> >   If I watch the maillog file with tail -f, I can see a steady stream
> >   of sendmail activity but no pop3 activity.
> >
> >   As soon as I stop and restart the email services from the control
> >   panel, I start seeing all of the pop3 logins and everything starts
> >   working fine.
> >
> >   Do I have a configuration problem? or too many users?  There are
> >   about 200 users getting e-mail from this server.
> >
> >
> >   Thanks........
> 
> Sounds like you have "too much" activity for that service in a short 
> period of time.  This has been discussed before.  All Linux kernels 
> are designed to "shutdown" processes that are showing "abnormal" 
> activity (just in case there is a problem).  the answer is to modify 
> the /etc/inetd.conf line for your mail (pop3) to allow more processes:
> 
> Original:
> pop-3   stream  tcp     nowait  root    /usr/sbin/tcpd  in.qpopper -R
> 
> Modified:
> pop-3   stream  tcp     nowait.500  root    /usr/sbin/tcpd 
>  in.qpopper -R
> 
> The dot (period) 500 says allow 500 processes per minute before 
> shutting down the service.  Adjust this number with CAUTION since it 
> can affect your server if you allow any one process to have too much 
> time/space.
> 
> -- 
> Larry Smith
> SysAd ECSIS.NET
> sysad@xxxxxxxxx
> 
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------- End of Original Message -------