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    <title>topic mail subsystem failing to start in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/mail-subsystem-failing-to-start/m-p/289994#M243124</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I have added the correct mail server settings, but I am still getting this error in the logs. I'm not sure where to look next.:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&lt;SPAN&gt;13:23:15,181 ERROR [org.alfresco.repo.action.executer.MailActionExecuter] Failed to send email to &lt;/SPAN&gt;&lt;A class="jive-link-email-small" href="mailto:pat.delaney@avid.com" rel="nofollow noopener noreferrer"&gt;pat.delaney@avid.com&lt;/A&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;; message exception details (1) are:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Failed message 1:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:416)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:632)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.executeImpl(MailActionExecuter.java:338)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.management.subsystems.SubsystemProxyFactory$1.invoke(SubsystemProxyFactory.java:72)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy230.execute(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:822)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeActionImpl(ActionServiceImpl.java:723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:557)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:543)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:831)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:34)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:245)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy42.executeAction(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.EmailUserNotifier.notifyUser(EmailUserNotifier.java:161)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.AbstractUserNotifier.notifyUser(AbstractUserNotifier.java:193)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.processInternal(FeedNotifierImpl.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.access$200(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:297)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:294)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:293)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.execute(BatchProcessor.java:712)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.run(BatchProcessor.java:756)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;13:23:15,205 WARN&amp;nbsp; [org.alfresco.repo.activities.feed.FeedNotifier] FeedNotifier: Failed to process entry "Person pdelaney".&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&lt;SPAN&gt;org.alfresco.error.AlfrescoRuntimeException: 08190001 Failed to send email to:&lt;/SPAN&gt;&lt;A class="jive-link-email-small" href="mailto:pat.delaney@avid.com" rel="nofollow noopener noreferrer"&gt;pat.delaney@avid.com&lt;/A&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:659)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.executeImpl(MailActionExecuter.java:338)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.management.subsystems.SubsystemProxyFactory$1.invoke(SubsystemProxyFactory.java:72)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy230.execute(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:822)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeActionImpl(ActionServiceImpl.java:723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:557)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:543)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:831)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:34)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:245)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy42.executeAction(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.EmailUserNotifier.notifyUser(EmailUserNotifier.java:161)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.AbstractUserNotifier.notifyUser(AbstractUserNotifier.java:193)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.processInternal(FeedNotifierImpl.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.access$200(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:297)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:294)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:293)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.execute(BatchProcessor.java:712)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.run(BatchProcessor.java:756)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Caused by: org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;; message exceptions (1) are:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Failed message 1: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:440)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:632)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;… 49 more&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;13:23:16,369 INFO&amp;nbsp; [org.alfresco.repo.thumbnail.ThumbnailRegistry] Init'ed thumbnail defs in 4373 ms&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&lt;SPAN&gt;13:23:17,374 ERROR [org.alfresco.repo.action.executer.MailActionExecuter] Failed to send email to &lt;/SPAN&gt;&lt;A class="jive-link-email-small" href="mailto:pat.delaney@avid.com" rel="nofollow noopener noreferrer"&gt;pat.delaney@avid.com&lt;/A&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;; message exception details (1) are:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Failed message 1:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:416)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:632)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.executeImpl(MailActionExecuter.java:338)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.management.subsystems.SubsystemProxyFactory$1.invoke(SubsystemProxyFactory.java:72)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy230.execute(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:822)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeActionImpl(ActionServiceImpl.java:723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:557)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:543)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:831)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:34)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:245)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy42.executeAction(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.EmailUserNotifier.notifyUser(EmailUserNotifier.java:161)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.AbstractUserNotifier.notifyUser(AbstractUserNotifier.java:193)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.processInternal(FeedNotifierImpl.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.access$200(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:297)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:294)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:293)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.execute(BatchProcessor.java:712)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.run(BatchProcessor.java:756)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;13:23:17,380 WARN&amp;nbsp; [org.alfresco.repo.activities.feed.FeedNotifier] FeedNotifier: Failed to process entry "Person amg".&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&lt;SPAN&gt;org.alfresco.error.AlfrescoRuntimeException: 08190002 Failed to send email to:&lt;/SPAN&gt;&lt;A class="jive-link-email-small" href="mailto:pat.delaney@avid.com" rel="nofollow noopener noreferrer"&gt;pat.delaney@avid.com&lt;/A&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:659)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.executeImpl(MailActionExecuter.java:338)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.management.subsystems.SubsystemProxyFactory$1.invoke(SubsystemProxyFactory.java:72)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy230.execute(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:822)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeActionImpl(ActionServiceImpl.java:723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:557)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:543)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:831)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:34)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:245)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy42.executeAction(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.EmailUserNotifier.notifyUser(EmailUserNotifier.java:161)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.AbstractUserNotifier.notifyUser(AbstractUserNotifier.java:193)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.processInternal(FeedNotifierImpl.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.access$200(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:297)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:294)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:293)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.execute(BatchProcessor.java:712)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.run(BatchProcessor.java:756)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Caused by: org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;; message exceptions (1) are:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Failed message 1: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:440)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:632)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;… 49 more&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;13:23:17,396 ERROR [org.alfresco.repo.activities.feed.FeedNotifier] FeedNotifier: 2 error(s) detected. Last error from entry "Person amg"&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&lt;SPAN&gt;org.alfresco.error.AlfrescoRuntimeException: 08190002 Failed to send email to:&lt;/SPAN&gt;&lt;A class="jive-link-email-small" href="mailto:pat.delaney@avid.com" rel="nofollow noopener noreferrer"&gt;pat.delaney@avid.com&lt;/A&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:659)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.executeImpl(MailActionExecuter.java:338)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.management.subsystems.SubsystemProxyFactory$1.invoke(SubsystemProxyFactory.java:72)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy230.execute(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:822)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeActionImpl(ActionServiceImpl.java:723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:557)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:543)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:831)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:34)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:245)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy42.executeAction(Unknown Source)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.EmailUserNotifier.notifyUser(EmailUserNotifier.java:161)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.AbstractUserNotifier.notifyUser(AbstractUserNotifier.java:193)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.processInternal(FeedNotifierImpl.java:309)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.access$200(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:297)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1$1.execute(FeedNotifierImpl.java:294)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:293)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.activities.feed.FeedNotifierImpl$1.process(FeedNotifierImpl.java:269)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.execute(BatchProcessor.java:712)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.batch.BatchProcessor$TxnCallback.run(BatchProcessor.java:756)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Caused by: org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;; message exceptions (1) are:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Failed message 1: com.sun.mail.smtp.SMTPSendFailedException: 553 5.1.0 centos6 does not exist E2110&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:440)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.repo.action.executer.MailActionExecuter.sendEmail(MailActionExecuter.java:632)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;… 49 more&lt;/SPAN&gt;&lt;BR /&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 19 Sep 2013 18:34:16 GMT</pubDate>
    <dc:creator>patdelaney</dc:creator>
    <dc:date>2013-09-19T18:34:16Z</dc:date>
    <item>
      <title>mail subsystem failing to start</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/mail-subsystem-failing-to-start/m-p/289994#M243124</link>
      <description>I have added the correct mail server settings, but I am still getting this error in the logs. I'm not sure where to look next.:13:23:15,181 ERROR [org.alfresco.repo.action.executer.MailActionExecuter] Failed to send email to pat.delaney@avid.comorg.springframework.mail.MailSendException: Failed mess</description>
      <pubDate>Thu, 19 Sep 2013 18:34:16 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/mail-subsystem-failing-to-start/m-p/289994#M243124</guid>
      <dc:creator>patdelaney</dc:creator>
      <dc:date>2013-09-19T18:34:16Z</dc:date>
    </item>
    <item>
      <title>Re: mail subsystem failing to start</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/mail-subsystem-failing-to-start/m-p/289995#M243125</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Please post your configuration, especially that concerned with email.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;What is "centos6" either that's the wrong value or the centos server can't resolve its own name.&amp;nbsp;&amp;nbsp; CentOS seems a bit prone to having problems resolving its own name,&amp;nbsp; it may need an extra line added to your "hosts" file.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 23 Sep 2013 09:07:00 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/mail-subsystem-failing-to-start/m-p/289995#M243125</guid>
      <dc:creator>mrogers</dc:creator>
      <dc:date>2013-09-23T09:07:00Z</dc:date>
    </item>
  </channel>
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