Re: Question about mail server

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Maybe the account is on both servers, but the data is only being stored on
one?

----- Original Message ----- 
From: "Tony Gogoi" <tgogoi@xxxxxxxxxxxxxxx>
To: "Jeffrey Morse" <jeffmorse@xxxxxxxx>
Cc: <linux-admin@xxxxxxxxxxxxxxx>
Sent: Thursday, March 11, 2004 11:45 AM
Subject: Re: Question about mail server


>
> I haven't connected to the server using telnet due to extremely strict
> firewall settings on that. However it appears there is more than meets the
> eye.
>
>
> The setting actually is
>
> |
>                             |
> Foundary Switch (performs load balancing)
> |
>       |   |
>                             |     |
>       |         |
>                  [Mail-Server 1]       [Mail Server 2]
>
> There is also an NFS server on which /var/spool/mail is stored. So, mail
> is not physically stored in the mail servers.
>
> Mail server-1 is the primary mail server.
>
> Mail server 2 has RAID-1. One of its hard disks was replaced last week.
> Since then it intermittenly generates "disk at (0,0,1,0) returned SCSI
> status:2 ...." and "disk at (0,0,1,0) returned request sense at ..... Non
> recoverable error".
>
> When Mail server 2 is turned off everthing's fine. When mail server 2 is
> turned on, only the newly created user account (after replacement of HD)
> "mtwain" fails to receive messages, though it can send messages. Outlook
> express does not return error though.
>
> And the interesting thing is, even though Mail server 2 is turned on,
> POP-3 exchanges take place bewteen Mail server 1 and the host machine. And
> yet, the outlook express on the host machine does not retrieve messages
> for account "mtwain" which it does successfully when mail server 2 is
> turned off.
>
> I get the feeling that the RAID-1 disk which generates intermittent
> "error" messages is the cause but don't know why.
>
> Thanks,
> Tony
>
>
>
> On Wed, 10 Mar 2004, Jeffrey Morse wrote:
>
> > If you connect to the server from a telnet session using the mtwain
> > account can you see that the mailbox has messages in it? Use the "top"
> > command from within the telnet session to view the message body.
> >
> >
> > --Jeff
> >
> > * On [03-10-2004 14:55 -0500] Tony Gogoi <tgogoi@xxxxxxxxxxxxxxx> wrote:
> > >
> > > Hello,
> > >
> > > What can be possible reasons for which a mail client (Outlook Express)
> > > does not retrieve mail from the Linux mail server ?
> > >
> > > I created a user account "mtwain" on a mail server. Any mail sent to
this
> > > account gets appended to /var/spool/mail/mtwain which means messages
> > > correctly enter mtwain's mailbox (on the server).
> > >
> > > However, outlook express is not able to retrieve mails from
> > > /var/spool/mail of the linux server. All it displays are "no new
messages"
> > > each time even though the account on Outlook express has been set to
POP3
> > > and mtwain and /var/spool/mail/mtwain still has messages in it.
> > >
> > > /var/spool/mail of the mail server resides on an NFS server which is
> > > correctly mounted as one can view the contents of /var/spool/mail from
the
> > > email server.
> > >
> > > This problem is for any new user account only. And there are no
problems
> > > for mtwain to send mail as well.
> > >
> > >
> > > Thanks,
> > > Tony
> > >
> > >
> > >
> > > -
> > > : send the line "unsubscribe linux-admin"
in
> > > the body of a message to majordomo@xxxxxxxxxxxxxxx
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> >
>
>
>
> Tony Gogoi
> -
> : send the line "unsubscribe linux-admin" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-
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