problemas configurando correo

[isarra]

buenos dias,
estoy configurando el correo en el repository.properties y coloque

# Email configuration

mail.host=correo.servidor
mail.port=25
mail.username=anonymous
mail.password=
# Set this value to UTF-8 or similar for encoding of email messages as required
mail.encoding=UTF-8
# Set this value to 7bit or similar for Asian encoding of email headers as required
mail.header= ECM
mail.from.default=alfresco@alfresco.org

y me esta dando este error en el log

11:53:42,223 ERROR [org.alfresco.web.bean.TemplateMailHelperBean] Failed to send email to pruebamail@servidor
org.springframework.mail.MailSendException; nested exceptions (0) are:
Caused by: javax.mail.MessagingException: Unknown SMTP host: correo.servidor
  nested exception is:
   java.net.UnknownHostException: correo.servidor
   at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1211)
   at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:311)
   at javax.mail.Service.connect(Service.java:233)
   at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:379)
   at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:332)
   at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:347)
   at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)
   at org.alfresco.web.bean.TemplateMailHelperBean.notifyUser(TemplateMailHelperBean.java:175)
   at org.alfresco.web.bean.wizard.BaseInviteUsersWizard.finishImpl(BaseInviteUsersWizard.java:278)
   at org.alfresco.web.bean.dialog.BaseDialogBean$1.execute(BaseDialogBean.java:121)
   at org.alfresco.web.bean.dialog.BaseDialogBean$1.execute(BaseDialogBean.java:118)
   at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:320)
   at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:227)
   at org.alfresco.web.bean.dialog.BaseDialogBean.finish(BaseDialogBean.java:127)
   at org.alfresco.web.bean.wizard.WizardManager.finish(WizardManager.java:580)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:132)
   at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:61)
   at javax.faces.component.UICommand.broadcast(UICommand.java:109)
   at javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:97)
   at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:171)
   at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:32)
   at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:95)
   at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70)
   at javax.faces.webapp.FacesServlet.service(FacesServlet.java:139)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.alfresco.web.app.servlet.AuthenticationFilter.doFilter(AuthenticationFilter.java:81)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
   at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
   at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
   at java.lang.Thread.run(Thread.java:619)‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

[isarra]

SOLUCIONADO!!

probe con la direccion ip del servidor smt y listo