NLog 邮件目标不工作

NLog Mail Target is not working

我正在使用以下配置并希望我的错误日志通过电子邮件发送,但它们不会

<targets>
  <target name="traceLogger" xsi:type="File" fileName="C:\Temp\trace.log" layout="${date:format=G} ${level} ${message}"/>
  <target name="warnLogger" xsi:type="File" fileName="C:\Temp\warning.log" layout="${date:format=G} ${message}"/>
  <target name="infoLogger" xsi:type="File" fileName="C:\Temp\info.log" layout="${date:format=G} ${message}"/>

  <target name="errorLogger" xsi:type="Mail"
        subject="QC Result Processing Error"
        to="name@domain.com"
        bcc=""
        cc=""
        from="sender@domain.com"
        smtpServer="smtpinfo"/>
 </targets>

 <rules>
    <logger name="*" writeTo="traceLogger"></logger>
    <logger name="*" levels="Warn" writeTo="warnLogger"></logger>
    <logger name="*" levels="Info" writeTo="infoLogger"></logger>
    <logger name="*" levels="Error" writeTo="errorLogger"></logger>
 </rules>

我启用了nlog 异常并发现了问题。问题是空白的密件抄送和抄送。我删除了它们,电子邮件工作正常。