#configuring the custom logger log4j.logger.com.apress.logging.log4j=DEBUG, SMTP #configuring the SMTP appender log4j.appender.SMTP=org.apache.log4j.net.SMTPAppender log4j.appender.SMTP.SMTPHost=smtp.mail.yahoo.com log4j.appender.SMTP.to=clientname@mailserver.com log4j.appender.SMTP.subject=Testing the appender log4j.appender.SMTP.from=yourname@mailserver.com log4j.appender.SMTP.layout=org.apache.log4j.SimpleLayout