Every week I face this issue with one or two emails. When I delete those emails, sync completes successfully. But I am using Zimbra with my office account and I cannot keep on deleting important mails like this. Please help.

Debug message: Invalid end of line character

Exception:

com.zimbra.common.service.ServiceException: system failure: Synchronization of POP3 folder failed
ExceptionId:btpool0-82:1261636067956:cefeeda5c9601334
Code:service.FAILURE
at com.zimbra.common.service.ServiceException.FAILURE (ServiceException.java:253)
at com.zimbra.cs.datasource.Pop3Sync.importData(Pop3S ync.java:124)
at com.zimbra.cs.datasource.DataSourceManager.importD ata(DataSourceManager.java:157)
at com.zimbra.cs.mailbox.LocalMailbox.importData(Loca lMailbox.java:417)
at com.zimbra.cs.mailbox.LocalMailbox.syncAllLocalDat aSources(LocalMailbox.java:389)
at com.zimbra.cs.mailbox.LocalMailbox.sync(LocalMailb ox.java:431)
at com.zimbra.cs.service.offline.OfflineSync.handle(O fflineSync.java:49)
at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEng ine.java:429)
at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:286)
at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:160)
at com.zimbra.soap.SoapServlet.doPost(SoapServlet.jav a:275)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:727)
at com.zimbra.cs.servlet.ZimbraServlet.service(Zimbra Servlet.java:187)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(Ser vletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler.handle(Se rvletHandler.java:362)
at org.mortbay.jetty.security.SecurityHandler.handle( SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(Se ssionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(Co ntextHandler.java:716)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebA ppContext.java:406)
at org.mortbay.jetty.handler.ContextHandlerCollection .handle(ContextHandlerCollection.java:211)
at org.mortbay.jetty.handler.HandlerCollection.handle (HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:139)
at org.mortbay.jetty.handler.RewriteHandler.handle(Re writeHandler.java:176)
at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:313)
at org.mortbay.jetty.HttpConnection.handleRequest(Htt pConnection.java:506)
at org.mortbay.jetty.HttpConnection$RequestHandler.co ntent(HttpConnection.java:844)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser. java:644)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpPa rser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnec tion.java:381)
at org.mortbay.io.nio.SelectChannelEndPoint.run(Selec tChannelEndPoint.java:396)
at org.mortbay.thread.BoundedThreadPool$PoolThread.ru n(BoundedThreadPool.java:442)
Caused by: com.zimbra.cs.mailclient.ParseException: Invalid end of line character
at com.zimbra.cs.mailclient.pop3.ContentInputStream.f illBuffer(ContentInputStream.java:84)
at com.zimbra.cs.mailclient.pop3.ContentInputStream.r ead(ContentInputStream.java:42)
at java.io.InputStream.read(Unknown Source)
at java.io.InputStream.read(Unknown Source)
at com.zimbra.cs.datasource.Pop3Sync.newTempFile(Pop3 Sync.java:244)
at com.zimbra.cs.datasource.Pop3Sync.addMessage(Pop3S ync.java:206)
at com.zimbra.cs.datasource.Pop3Sync.fetchAndAddMessa ge(Pop3Sync.java:195)
at com.zimbra.cs.datasource.Pop3Sync.fetchAndRetainMe ssages(Pop3Sync.java:185)
at com.zimbra.cs.datasource.Pop3Sync.importData(Pop3S ync.java:116)
... 31 more

If issue persists please post description and debug information here.