diff -r 453da2cfceef -r 71781823f776 qtmobility/src/messaging/qmessagecontentcontainer_symbian.cpp
--- a/qtmobility/src/messaging/qmessagecontentcontainer_symbian.cpp	Fri May 14 16:41:33 2010 +0300
+++ b/qtmobility/src/messaging/qmessagecontentcontainer_symbian.cpp	Thu May 27 13:42:11 2010 +0300
@@ -42,7 +42,8 @@
 #include <QStringList>
 #include <QTextCodec>
 #include "qmessagecontentcontainer_symbian_p.h"
-#include "qmtmengine_symbian_p.h"
+#include <qmtmengine_symbian_p.h>
+#include <messagingutil_p.h>
 
 QTM_BEGIN_NAMESPACE
 
@@ -234,7 +235,7 @@
 
 QMessageContentContainerId QMessageContentContainerPrivate::appendContent(QMessageContentContainer& container)
 {
-    container.d_ptr->_id = QMessageContentContainerId(QString::number(_attachments.count()+1));
+    container.d_ptr->_id = QMessageContentContainerId(SymbianHelpers::addIdPrefix(QString::number(_attachments.count()+1),SymbianHelpers::EngineTypeMTM));
     _attachments.append(container);
     return container.d_ptr->_id;
 }
@@ -243,7 +244,7 @@
 {
     _attachments.prepend(container);
     for (int i = 0; i < _attachments.count(); ++i) {
-        _attachments[i].d_ptr->_id = QMessageContentContainerId(QString::number(i+1));
+        _attachments[i].d_ptr->_id = QMessageContentContainerId(SymbianHelpers::addIdPrefix(QString::number(i+1),SymbianHelpers::EngineTypeMTM));
     }
     return _attachments[0].d_ptr->_id;
 }
@@ -252,7 +253,7 @@
 
 QMessageContentContainerId QMessageContentContainerPrivate::bodyContentId()
 {
-    return QMessageContentContainerId(QString::number(0));
+    return QMessageContentContainerId(SymbianHelpers::addIdPrefix(QString::number(0),SymbianHelpers::EngineTypeMTM));
 }
 
 QByteArray QMessageContentContainerPrivate::attachmentFilename(const QMessageContentContainer& container)