Hello, i have a Problem with attachment sending via Zimbra version 4.03 GPL on Debian sarge,

we have 4 Servers 2 are MTAs and one from this MTAs is enabled with antispam and antivirus.
1 Mailbox and Webinterface Server and one LDAP Server.

the One without AV/AS is configured as the Webmail MTA

when user will send an EMail with the Webinterface and touch an attachment, the comes an error:

msg - upload could not be scanned: file 'domainteam.ppsx'
com.zimbra.cs.mailbox.MailServiceException: upload could not be scanned: file 'domainteam.ppsx'
at com.zimbra.cs.mailbox.MailServiceException.SCAN_ER ROR(MailServiceException.java:202)
at com.zimbra.cs.service.mail.ParseMimeMessage.attach Uploads(ParseMimeMessage.java:503)
at com.zimbra.cs.service.mail.ParseMimeMessage.parseM imeMsgSoap(ParseMimeMessage.java:286)
at com.zimbra.cs.service.mail.ParseMimeMessage.parseM imeMsgSoap(ParseMimeMessage.java:174)
at com.zimbra.cs.service.mail.SaveDraft.handle(SaveDr aft.java:77)
at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEng ine.java:261)
at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:162)
at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:84)
at com.zimbra.soap.SoapServlet.doPost(SoapServlet.jav a:223)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:709)
at com.zimbra.cs.servlet.ZimbraServlet.service(Zimbra Servlet.java:173)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:107)
at org.apache.catalina.valves.AccessLogValve.invoke(A ccessLogValve.java:541)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11 ConnectionHandler.processConnection(Http11BaseProt ocol.java:667)
at org.apache.tomcat.util.net.PoolTcpEndpoint.process Socket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThr ead.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)

code - mail.SCAN_ERROR
method - ZmCsfeCommand.prototype.invoke
detail - soap:Receiver
data - [object Object]


can anybody help me?