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
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> -
> : 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
>
Tony Gogoi
-
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