update to 6.0.7 and POP error : "Unrecognized SSL message, plaintext connection?"

[versatil]

Hi,

I've just update from 6.0.4 to 6.0.7_GA_2473.DEBIAN5_64.
Then, I have a POP error with an external mail account: "Unrecognized SSL message, plaintext connection?"
Here is my mailbox.log:

2010-08-20 19:49:56,293 WARN  [btpool0-64://my.zimbra-server.ltd/service/soap/TestDataSourceRequest] [name=user@my.domain.ltd;mid=12;ip=91.121.88.118;ua=ZimbraWebClient - FF3.0 (Win)/6.0.7_GA_2473.DEBIAN5_64;ds=my@email.ltd;] SoapEngine - handler exception
com.zimbra.common.service.ServiceException: system failure: Unable to connect to POP3 server: DataSource: { id=TestId, type=pop3, isEnabled=false, name=Test, host=host.pop-server.ltd, port=110, connectionType=cleartext, username=my@email.ltd, folderId=2 }
ExceptionId:btpool0-64://my.zimbra-server.ltd/service/soap/TestDataSourceRequest:1282326596293:5344f882ba7c2a21
Code:service.FAILURE
        at com.zimbra.common.service.ServiceException.FAILURE(ServiceException.java:248)
        at com.zimbra.cs.datasource.Pop3Sync.connect(Pop3Sync.java:165)
        at com.zimbra.cs.datasource.Pop3Sync.test(Pop3Sync.java:108)
        at com.zimbra.cs.datasource.DataSourceManager.test(DataSourceManager.java:176)
        at com.zimbra.cs.service.mail.TestDataSource.handle(TestDataSource.java:129)
        at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEngine.java:420)
        at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:274)
        at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:158)
        at com.zimbra.soap.SoapServlet.doWork(SoapServlet.java:291)
        at com.zimbra.soap.SoapServlet.doPost(SoapServlet.java:212)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at com.zimbra.cs.servlet.ZimbraServlet.service(ZimbraServlet.java:181)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
        at com.zimbra.cs.servlet.SetHeaderFilter.doFilter(SetHeaderFilter.java:79)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)
        at org.mortbay.servlet.GzipFilter.doFilter(GzipFilter.java:132)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.handler.rewrite.RewriteHandler.handle(RewriteHandler.java:230)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.handler.DebugHandler.handle(DebugHandler.java:77)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:543)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:939)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:451)
Caused by: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
        at com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord(InputRecord.java:523)
        at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:355)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:789)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1112)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1139)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1123)
        at com.zimbra.common.net.CustomSSLSocket.startHandshake(CustomSSLSocket.java:90)
        at com.zimbra.cs.mailclient.MailConnection.startTls(MailConnection.java:108)
        at com.zimbra.cs.mailclient.MailConnection.connect(MailConnection.java:92)
        at com.zimbra.cs.datasource.Pop3Sync.connect(Pop3Sync.java:157)
        ... 38 more

Well, I have another production server for another client of mine where the same POP external mail account don't fail.
Here is its mailbox.log:

2010-08-20 18:56:30,661 INFO  [btpool0-34] [name=user@my.domain2.ltd;mid=7;ip=77.194.215.253;ua=ZimbraWebClient - FF3.0 (Win)/5.0.18_GA_3011.UBUNTU8_64;] datasource - Testing: DataSource: { id=TestId, type=pop3, isEnabled=false, name=Test, host=host.pop-server.ltd, port=110, connectionType=cleartext, username=my@email.ltd, folderId=-1 }
2010-08-20 18:56:31,000 INFO  [btpool0-34] [name=user@my.domain2.ltd;mid=7;ip=77.194.215.253;ua=ZimbraWebClient - FF3.0 (Win)/5.0.18_GA_3011.UBUNTU8_64;] datasource - Test succeeded: DataSource: { id=TestId, type=pop3, isEnabled=false, name=Test, host=host.pop-server.ltd, port=110, connectionType=cleartext, username=my@email.ltd, folderId=-1 }

Any idea? Should I downgrade to 6.0.6?

Jean-Martial

[pmona]

Did you ever get this resolved? I have a similar problem but no answers so far.
ZCS can not access zimbra account via POP