Hi Linh Le

The most reliable way to do it - use external ping service. Like https://pingdom.com

You can specify email for getting emails when the exception occurs on the site, but it's not down, when everything is down you will not get an email :)

Thanks,

Alex

Hi Linh,

I have been able to achieve this my extending log4net, which Umbraco using as its logging framework.

Add the following to your log4net configuration file:

<appender name="SmtpAppender" type="log4net.Appender.SmtpAppender">
    <to value="TO EMAIL ADDRESS" />
    <from value=”FROM EMAIL ADDRESS" />
    <subject value="Test Logging Message" />
    <smtpHost value="localhost" />
    <bufferSize value="512" />
    <lossy value="true" />
    <evaluator type="log4net.Core.LevelEvaluator">
        <threshold value="ERROR"/>
    </evaluator>
    <layout type="log4net.Layout.PatternLayout">
    <conversionPattern value="%newline%date [%thread] %-5level %logger [%property{NDC}] - %message%newline%newline%newline" />
</layout>

Then add the following appender-ref element to the root section of the log4net config file:

<appender-ref ref="SmtpAppender" />

Hope this helps anyone who is interested!

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