RE: [cobalt-users] Raq550: SMTP shutting down

["Phil Beynon" <phil@xxxxxxxxxxxxxxxxxxxxxxxxx>]

> Hi,
>
> For the second time today I received the following mail from the server:
>
> * There is a severe problem with the email system.
>   - The SMTP server is not running and could not be restarted. The SMTP
> server may shut itself down temporarily under extreme load. Check the CPU
> load on the server. If the load does not appear to be the
> problem, go to the
> Server Desktop and try turning the SMTP server off then on again to see if
> this corrects the problem. If the SMTP server is still unable to
> start, try
> rebooting the server itself by clicking the Reboot Now button in the Power
> menu under System Settings. If the SMTP server is still unable to start,
> please refer http://www.sun.com/service/online/ for technical support.
>   - The POP server is operating normally.
>   - The IMAP server is operating normally.
>
> A couple of minutes after that, I receive a message that the SMTP
> server is
> up again.
> There are only 2 customers (40 users in total) that use this
> server as their
> outgoing mailserver.
>
> The message was sent to me for the first time after I added the DNSBL
> entries (working fine) from a thread on this list a week ago or so.
> The raq550 is also equipped with MailScanner/SpamAssassin/ClamAV.
> The spam was reduced once I had those DNSBL entries in my
> sendmail.cf. I see
> a lot of blocked/rejected messages in the logs so I would think that the
> load on Mailscanner/SpamA. should be less.
>
> Is there anything specific to look for and if so in which log ?
> Thanks
>
> John

First thing I would do is run top and see what the server load is like.

Phil

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