Re: Question about mail server

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Yes, the account is on both servers, but /var/spool/mail is on the NFS
server not on any mail server.

On Thu, 11 Mar 2004, Adam Lang wrote:

> 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
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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
>
> -
> : send the line "unsubscribe linux-admin" in
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>



Tony Gogoi
-
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