I'm having the same problem with our system. I've tried using our own mail servers, as well as trying ones with yahoo and google. The server logs show this...
Event type: An unexpected exception has occurred
Event description: Email sending failed
Error message: Email sending failed.
Error code: Email sending failed.
Stack trace: javax.mail.SendFailedException: Sending failed; nested exception is: class javax.mail.MessagingException: Could not connect to SMTP host: mailhost.engr.uconn.edu, port: 225; nested exception is: java.net.ConnectException: Connection timed out: connect at javax.mail.Transport.send0(Transport.java:218) at javax.mail.Transport.send(Transport.java:80) at com.sygate.scm.server.util.MailUtil.sendMail(MailUtil.java:264) at com.sygate.scm.server.task.ScheduledReportingTask.mailIt(ScheduledReportingTask.java:250) at com.sygate.scm.server.task.ScheduledReportingTask.generateReport(ScheduledReportingTask.java:191) at com.sygate.scm.server.task.ScheduledReportingTask.run(ScheduledReportingTask.java:138) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462) com.sygate.scm.server.util.ServerException: Email sending failed at com.sygate.scm.server.util.MailUtil.sendMail(MailUtil.java:266) at com.sygate.scm.server.task.ScheduledReportingTask.mailIt(ScheduledReportingTask.java:250) at com.sygate.scm.server.task.ScheduledReportingTask.generateReport(ScheduledReportingTask.java:191) at com.sygate.scm.server.task.ScheduledReportingTask.run(ScheduledReportingTask.java:138) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462)
Site: Carbon
Server: carbon
Date: 06/11/2009 10:16:52
Severity: Warning
Results with google and yahoo are the same, with the different port numbers, and I've tried doing the same with our Exchange server, again with the same effect