Jenkins plugin for sending mails from job or build view.
Jenkins heavy-job plugin
JavaMail API Plugin
https://wiki.jenkins-ci.org/display/JENKINS/Job+Log+Logger+Plugin
Jakarta Mail API Plugin
This plugin allows you to configure email notifications for build results
Jenkins jbpm plugin
This plugin allows a job to be run after all the immediate downstream jobs have completed
Jenkins reviewboard plugin
Jenkins jboss plugin
Jenkins grails plugin
Jenkins mantis plugin