unable to send email to my gmail

unable to send email to my gmail
I have used email test step and tried to run the test step but getting below error,can any one help me out on this

Wed Apr 30 12:16:13 IST 2014:ERROR:javax.mail.MessagingException: Could not connect to SMTP host: imap.gmail.com, port: 25;
  nested exception is:
    java.net.ConnectException: Connection timed out: connect
   javax.mail.MessagingException: Could not connect to SMTP host: imap.gmail.com, port: 25;
     nested exception is:
       java.net.ConnectException: Connection timed out: connect
       at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1282)
       at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:370)
       at javax.mail.Service.connect(Service.java:275)
       at javax.mail.Service.connect(Service.java:156)
       at javax.mail.Service.connect(Service.java:105)
       at javax.mail.Transport.send0(Transport.java:168)
       at javax.mail.Transport.send(Transport.java:98)
       at soapui.demo.teststeps.email.EMailTestStep.run(EMailTestStep.java:163)
       at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.runTestStep(AbstractTestCaseRunner.java:239)
       at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.runCurrentTestStep(WsdlTestCaseRunner.java:52)
       at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:152)
       at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:47)
       at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.run(AbstractTestRunner.java:139)
       at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
       at java.util.concurrent.FutureTask.run(Unknown Source)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
       at java.lang.Thread.run(Unknown Source)
   Caused by: java.net.ConnectException: Connection timed out: connect
       at java.net.DualStackPlainSocketImpl.connect0(Native Method)
       at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
       at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
       at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
       at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
       at java.net.PlainSocketImpl.connect(Unknown Source)
       at java.net.SocksSocketImpl.connect(Unknown Source)
       at java.net.Socket.connect(Unknown Source)
       at java.net.Socket.connect(Unknown Source)
       at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:232)
       at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:189)
       at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1250)
       ... 17 more