Hi ,

Below is the error stack. thanks

Java stacktrace: com.sun.mail.smtp.SMTPAddressFailedException: 550 5.7.1 Unable 
to relay at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1047) at 
com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:584) at 
javax.mail.Transport.send0(Transport.java:169) at 
javax.mail.Transport.send(Transport.java:98) at 
org.dspace.core.Email.send(Email.java:359) at 
org.dspace.app.xmlui.aspect.artifactbrowser.ItemRequestResponseAction.processContactRequester(ItemRequestResponseAction.java:243)
 at 
org.dspace.app.xmlui.aspect.artifactbrowser.ItemRequestResponseAction.act(ItemRequestResponseAction.java:111)
 at 
org.apache.cocoon.sitemap.impl.DefaultExecutor.invokeAction(DefaultExecutor.java:55)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:105)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:186)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:260)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:107)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.SelectNode.invoke(SelectNode.java:87)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:186)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:260)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:107)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:186)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:260)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:277)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
 at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.prepareInternal(Unknown Source) at 
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
 at 
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
 at 
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
 at 
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
 at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) at 
sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy27.setup(Unknown Source) at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:411)
 at sun.reflect.GeneratedMethodAccessor99.invoke(Unknown Source) at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
 at com.sun.proxy.$Proxy26.process(Unknown Source) at 
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:147)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
 at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
 at 
org.apache.cocoon.servlet.RequestProcessor.process(RequestProcessor.java:351) 
at 
org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169) 
at org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84) at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at 
org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)
 at 
org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)
 at 
org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)
 at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
 at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
 at com.sun.proxy.$Proxy23.service(Unknown Source) at 
org.dspace.springmvc.CocoonView.render(CocoonView.java:113) at 
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
 at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
 at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
 at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
 at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:646) at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:274)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
org.dspace.app.xmlui.cocoon.servlet.multipart.DSpaceMultipartFilter.doFilter(DSpaceMultipartFilter.java:119)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
 at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
 at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
 at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) 
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) 
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) 
at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
 at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
 at 
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
 at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 at java.lang.Thread.run(Thread.java:745)

From: Hilton Gibson [mailto:hilton.gib...@gmail.com]
Sent: 27 July 2015 09:20
To: Saidy Binta
Cc: dspace-tech@lists.sourceforge.net
Subject: Re: [Dspace-tech] error 550 5.7.1 unable to relay

Hi Saidy,

Do you have more details of the error?
Perhaps a screenshot?

Cheers


Hilton Gibson
Ubuntu Linux Systems Administrator
Stellenbosch University Library
http://staff.lib.sun.ac.za/~hgibson/docs/cv/cv.html


On 27 July 2015 at 11:03, Saidy Binta <bisa...@mrc.gm<mailto:bisa...@mrc.gm>> 
wrote:
Hi All,

When someone request a copy of a restricted item with a mail address outside of 
our institutional domain for example with an email with 
s...@yahoo.com<mailto:s...@yahoo.com>  then there is an error when I try to 
reply to the sender. Thanks inadvance

Regards
Binta




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please notify the Help Desk by e-mailing h...@mrc.gm quoting the sender 
details, and then delete this message along with any attached files. E-mail 
messages are not secure and attachments could contain software viruses which 
may damage your computer system. Whilst every reasonable precaution has been 
taken to minimise this risk, The MRC Unit The Gambia cannot accept any 
liability for any damage sustained as a result of these factors. You are 
advised to carry out your own virus checks before opening any attachments. 
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