Nice article.

If you are using Oracle Enterprise Manager (OEM) this is all built in.

Register the "Alert" event against your database(s) and the OMS will be notified of any new errors in the alert log.

If you want these errors to be sent to you via email or a pager simply add your SMTP server details to the "Configure Paging/Email" dialog:

Configuration -> Configure Paging/Email

You can adjust the content of the mail by updating the settings in the following dialog:

Configuration -> Preferences -> Notification Tab

I always use this and I've had no problems so far.

Cheers

Tim...