[cobalt-users] Raq550: SMTP shutting down

["Crocket" <crocket@xxxxxxxxxxx>]

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