From address configuration

The default value for the From address used in jPDL mails is no-reply@jbpm.org. The from address of mails can be configured in the configuration file jbpm.cfg.xml under key jbpm.mail.from.address.

<jbpm-configuration>
  ...
  <string name='jbpm.mail.from.address' value='jbpm@yourcompany.com' />
</jbpm-configuration>