03. Oozie SMTP configuration
----------------------------
Add the following to the oozie-site.xml, and restart oozie.
Replace values with the same specific to your environment.
 
<!-- SMTP params-->
<property>
  <name>oozie.email.smtp.host</name>
  <value>cdh-dev01</value>
</property>
<property>
  <name>oozie.email.smtp.port</name>
  <value>25</value>
</property>
<property>
  <name>oozie.email.from.address</name>
  <value>oozie@cdh-dev01</value>
</property>
<property>
  <name>oozie.email.smtp.auth</name>
  <value>false</value>
</property>
<property>
  <name>oozie.email.smtp.username</name>
  <value></value>
</property>
<property>
  <name>oozie.email.smtp.password</name>
  <value></value>
</property>