尝试通过gmail通过Nlog发送电子邮件

<configuration>
  <configSections>
    <section name="nlog" type="NLog.Config.ConfigSectionHandler, NLog"/>
  </configSections>
  <nlog>
    <targets>
      <target name="email" xsi:type="Mail"
              smtpServer="smtp.gmail.com"
              smtpPort="587"
              smtpAuthentication="Basic"
              smtpUsername="your-email@gmail.com"
              smtpPassword="your-password"
              enableSsl="true"
              from="your-email@gmail.com"
              to="recipient-email@example.com"
              subject="Log Message"
              body="${message}"/>
    </targets>
    <rules>
      <logger name="*" minlevel="Error" writeTo="email"/>
    </rules>
  </nlog>
</configuration>

private static Logger logger = LogManager.GetCurrentClassLogger();

static void Main(string[] args)
{
    logger.Info("This is an informational message.");
    logger.Warn("This is a warning message.");
    logger.Error("This is an error message.");
}