To be able to use Oracle thin JDBC driver and to use java email related classes and interfaces, add the following directories into
CLASSPATH environment variable: /usr/java1.2/lib1.2/classes12.zip:/usr/opt/java121:/usr/opt/java121/javamail-1.1.3/mail.jar:/usr/opt/java121/jaf-1.0.1/activation.jar:
On sumatra, the mail.jar (JavaMail 1.3) and activation.jar files are in /usr/j2se/lib/mail.jar and /usr/dt/appconfig/sdtpdasync/classes/activation.jar repectively.
Notice that the lastest mail.jar and activation.jar files may be at different locations from what are listed here. Try to find paths of these two files first and add the paths in the CLASSPATH environment variable.