Follow the steps IMAP:

com.zimbra.common.soap.SoapFaultException: Unrecognized SSL message, plaintext connection? ExceptionId:com.zimbra.common.service.RemoteServiceException: Unrecognized SSL message, plaintext connection? ExceptionId:btpool0-51:1379078797150:e0161c6292604980 Code:remote.SSL_FAILURE at com.zimbra.common.service.RemoteServiceException.SSL_FAILURE(RemoteServiceException.java:100) at com.zimbra.common.service.RemoteServiceException.doSSLFailures(RemoteServiceException.java:174) at com.zimbra.cs.account.offline.OfflineProvisioning.testDataSource(OfflineProvisioning.java:789) at com.zimbra.cs.account.offline.OfflineProvisioning.createDataSourceAccount(OfflineProvisioning.java:835) at com.zimbra.cs.account.offline.OfflineProvisioning.createAccount(OfflineProvisioning.java:641) at com.zimbra.cs.service.admin.CreateAccount.handle(CreateAccount.java:64) at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEngine.java:412) at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:287) at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:158) at com.zimbra.soap.SoapServlet.doWork(SoapServlet.java:303) at com.zimbra.soap.SoapServlet.doPost(SoapServlet.java:217) at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) at com.zimbra.cs.servlet.ZimbraServlet.service(ZimbraServlet.java:206) at javax.servlet.http.HttpServlet.service(HttpServlet.java:814) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:218) 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:422) 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.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:585) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:988) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:415) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:429) at org.mortbay.thread.BoundedThreadPool$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:652) at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:484) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:863) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1188) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1215) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1199) at com.sun.mail.util.SocketFetcher.configureSSLSocket(SocketFetcher.java:548) at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:352) at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:233) at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1938) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:642) at javax.mail.Service.connect(Service.java:317) at javax.mail.Service.connect(Service.java:176) at javax.mail.Service.connect(Service.java:125) at com.zimbra.cs.account.offline.OfflineProvisioning.test(OfflineProvisioning.java:797) at com.zimbra.cs.account.offline.OfflineProvisioning.testDataSource(OfflineProvisioning.java:777) ... 30 more Code:remote.SSL_FAILURE at com.zimbra.common.soap.Soap12Protocol.soapFault(Soap12Protocol.java:88) at com.zimbra.common.soap.SoapTransport.extractBodyElement(SoapTransport.java:354) at com.zimbra.common.soap.SoapTransport.parseSoapResponse(SoapTransport.java:313) at com.zimbra.common.soap.SoapHttpTransport.invoke(SoapHttpTransport.java:260) at com.zimbra.common.soap.SoapHttpTransport.invoke(SoapHttpTransport.java:164) at com.zimbra.common.soap.SoapTransport.invoke(SoapTransport.java:407) at com.zimbra.common.soap.SoapTransport.invokeWithoutSession(SoapTransport.java:393) at com.zimbra.cs.account.soap.SoapProvisioning.invokeRequest(SoapProvisioning.java:342) at com.zimbra.cs.account.soap.SoapProvisioning.invoke(SoapProvisioning.java:350) at com.zimbra.cs.account.soap.SoapProvisioning.createAccount(SoapProvisioning.java:493) at com.zimbra.cs.offline.jsp.JspProvStub.createOfflineDataSource(JspProvStub.java:126) at com.zimbra.cs.offline.jsp.XmailBean.doRequest(XmailBean.java:262) at com.zimbra.cs.offline.jsp.FormBean.doRequest(FormBean.java:156) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.el.parser.AstFunction.getValue(AstFunction.java:127) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:206) at org.apache.jasper.runtime.PageContextImpl.evaluateExpression(PageContextImpl.java:1001) at org.apache.jsp.desktop.accsetup_jsp._jspx_meth_c_when_1(Unknown Source) at org.apache.jsp.desktop.accsetup_jsp._jspx_meth_c_choose_0(Unknown Source) at org.apache.jsp.desktop.accsetup_jsp._jspService(Unknown Source) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109) at javax.servlet.http.HttpServlet.service(HttpServlet.java:814) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380) at javax.servlet.http.HttpServlet.service(HttpServlet.java:814) at com.zimbra.webClient.servlet.JspServlet.service(JspServlet.java:64) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.zimbra.cs.servlet.SetHeaderFilter.doFilter(SetHeaderFilter.java:79) at com.zimbra.webClient.filters.SetHeaderFilter.doFilter(SetHeaderFilter.java:239) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:218) 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:422) 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.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:585) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:988) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:415) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:429) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:451)