This issue only occurs on desktop class operating systems, such as Windows Vista, Windows 7, Windows 8, or Windows 8.1.
If SEPM mail debugging is enabled (see TECH102413 for steps), the following error can be seen in %temp%\scm-ui-*.err after a failed test email:
com.sygate.scm.util.mail.EmailException: javax.mail.MessagingException: Could not connect to SMTP host: 192.168.1.11, port: 25; nested exception is: java.net.SocketException: Network is unreachable: connect
Also reported in ...Manager\tomcat\logs\catalina.err, SecurityAlertNotifyTask-0.log (Notification emails), or ScheduledReportingTask-0.log (Scheduled reports).
This problem is fixed in Symantec Endpoint Protection 12.1 Release Update 5 (SEP 12.1.5). For information on how to obtain the latest build of Symantec Endpoint Protection, read Obtaining the latest version of Symantec Endpoint Protection or Symantec Network Access Control.
This issue may be worked around on older versions using one of the following methods:
How to uninstall the Internet Email Auto-Protect component:
How to modify the SEP Internet Email Auto-Protect outbound port:
Note: It is recommended that you only make the following policy change for the Symantec Endpoint Protection Manager computer.