Class Hierarchy
- java.lang.Object
- org.apache.log4j.AppenderSkeleton (implements org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler)
- org.apache.log4j.net.SMTPAppender (implements org.apache.log4j.xml.UnrecognizedElementHandler)
- org.apache.log4j.net.SocketNode (implements java.lang.Runnable)
- org.apache.log4j.AppenderSkeleton (implements org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler)