seam mail template mail fails with Caused by: javax.mail.internet.AddressException: Missing final '@domain' in string ``''

After deploying and testing all the other mail options the "template" based mail throws the exception below and the browser shows a JSF error page.

2008-04-23 16:40:16,412 DEBUG [org.jboss.mx.loading.RepositoryClassLoader] setRepository, repository=org.jboss.mx.loading.HeirarchicalLoaderRepository3@18b0fd, cl=org.jboss.mx.loading.HeirarchicalLoaderRepository3$CacheClassLoader@75fd2f

{ url=null ,addedOrder=0}
2008-04-23 16:40:16,481 DEBUG [org.jboss.mx.loading.RepositoryClassLoader] setRepository, repository=org.jboss.mx.loading.HeirarchicalLoaderRepository3@18b0fd, cl=org.jboss.mx.loading.HeirarchicalLoaderRepository3$CacheClassLoader@1bc339e{ url=null ,addedOrder=0}

2008-04-23 16:40:16,500 ERROR [STDERR] Apr 23, 2008 4:40:16 PM com.sun.facelets.FaceletViewHandler handleRenderException
SEVERE: Error Rendering View[/templating.xhtml]
javax.faces.FacesException: Missing final '@domain' ()
at org.jboss.seam.mail.ui.RecipientAddressComponent.encodeBegin(RecipientAddressComponent.java:29)
at org.jboss.seam.ui.JSF.renderChild(JSF.java:171)
at org.jboss.seam.ui.JSF.renderChildren(JSF.java:162)
at org.jboss.seam.mail.ui.UIMessage.encodeChildren(UIMessage.java:159)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:936)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:942)
at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:577)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:595)
Caused by: javax.mail.internet.AddressException: Missing final '@domain' in string ``''
at javax.mail.internet.InternetAddress.checkAddress(InternetAddress.java:929)
at javax.mail.internet.InternetAddress.validate(InternetAddress.java:870)
at org.jboss.seam.mail.ui.AddressComponent.getInternetAddress(AddressComponent.java:38)
at org.jboss.seam.mail.ui.RecipientAddressComponent.encodeBegin(RecipientAddressComponent.java:25)
... 40 more