Send email for only Error level provider in log4net

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ASP.NET

log4net

Hi,

I have an asp.net site. I have configured the log4net for the logging. I am using only two provider File and SMTP. I want to log all type of level in the File, but email should be send only for the the Error level. Do not want to send an email for the ERROR, INFO, WARN and FATAL. I have used the following configuration in the web.config file.

<configSections>
		<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>
	</configSections>
	<log4net>
		<appender name="LogFileAppender" type="log4net.Appender.FileAppender">
      <threshold value="ALL" />
			<param name="File" value="D:\Log4NetWeb\LogFile.txt"/>
			<param name="AppendToFile" value="true"/>
			<layout type="log4net.Layout.PatternLayout">
				<param name="Header" value="[Header]\r\n"/>
				<param name="Footer" value="[Footer]\r\n"/>
				<param name="ConversionPattern" value="%d [%t] %-5p %c %m%n"/>
			</layout>
		</appender>
		
    <appender name="SmtpAppender" type="log4net.Appender.SmtpAppender">
			<to value="maymailaddress@yahoo.com"/>
			<from value="ttext@test.com"/>
			<from value="text2@test.com"/>
			<!--<subject value="test logging message"/>-->
      <subject type="log4net.Util.PatternString" value="%property{log4net:HostName} Error: %appdomain" />
			<smtpHost value="SMTP.myserver.com"/>
			<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>
		</appender>
		<root>
			<!--<level value="ALL"/>-->
			<appender-ref ref="SmtpAppender"/>
      <appender-ref ref="LogFileAppender"/>
		</root>

    <!--<logger name="File">
      <level value="All" />
      <appender-ref ref="LogFileAppender" />
    </logger>
    <logger name="SmtpAppender">
      <level value="ERROR" />
      <appender-ref ref="SmtpAppender" />
    </logger>-->

  </log4net>

and using the following code for the logging

protected void Page_Load(object sender, EventArgs e)
   {
       DOMConfigurator.Configure();

       try
       {
           int a = 0, b = 1;

           logger.Debug("Log Debug");
           logger.Info("Log info");
           logger.Warn("Log Warn");
           logger.Fatal("Log Fatal");


           float c = b/a;

       }
       catch (Exception ex)
       {
           logger.Error("some errro in the application ",ex);
       }

   }

However I am getting email for every log. How can I configure the log only for the ERROR? So that I will get email only for the ERROR.