Re: [cobalt-users] the SMTP (mail) server is not responding

[Rik Thomas <rikt@xxxxxxxxxxxx>]

On Sat, 14 Apr 2001, Adrian Boismoreau wrote:

> Hi,
> I've been receiving a message with subject: "the SMTP (mail) server is not
> responding"
>
> That says:
> "The SMTP (mail) server appears to be down.  The mail server may shut itself
> down temporarily under extreme load, so you should also check the CPU load
> on the server.  If the load does not appear to be the problem, try turning
> mail service off and then on within the Cobalt server Control Panel to see
> if
> this corrects the problem.  If not, try rebooting the server itself.  If
> this
> still does not correct the problem, contact Cobalt Technical Support."
>
> I'm receiving it almost every day, but a few days ago I received it almost
> every hour.
>
> As I think, someone used my SMTP for spaming, but I've put every domain of
> my clients in the "reject" list so they cannot relay. Even that, after 3
> days I still receive the warning e-mail.
>
> Any ideas?
>
> Thanks,
>
> Adrián Boismoreau


You might want to download a maillog stat program and see what you can
find out.  How much memory do you have and how many sites do you have?
Have you gone to mail.abuse.org to see if you are in fact an open
relay.