Email notifications are not being received by the NCM users.
A common error in the Powerup.log under the $VOYENCE_HOME/ncmcore/logs
directory
2016-01-06 11:52:20,084 ERROR [com.powerup.configmgr.integration.transport.javamail.JavaMailTransportStrategy] (http-apr-8881-exec-9) Cannot send e-mail to recipient: <user>@<domain>.com
Line 95879: javax.mail.MessagingException: Can't send command to SMTP host;
Line 95882: at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1420)
NCM - 10.1.x
$VOYENCE_HOME/ncmcore/webapps/ncm-webapp/WEB-INF/classes/applicationContext.xml.
$VOYENCE_HOME/ncmcore/webapps/ncm-webapp/WEB-INF/classes/applicationContext.xml
and look for "mail.smtp.starttls.enable
"Perform a job with user emailID and make sure that email is received.