diff -r 16ed8d08d0b1 -r 478bc57ad291 emailservices/emailcommon/src/CFSMailMessageBase.cpp
--- a/emailservices/emailcommon/src/CFSMailMessageBase.cpp	Wed Aug 18 09:37:47 2010 +0300
+++ b/emailservices/emailcommon/src/CFSMailMessageBase.cpp	Thu Sep 02 20:15:00 2010 +0300
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). 
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
@@ -63,8 +63,8 @@
     NM_FUNCTION;
     
 // <qmail> unnecessary member initialization removed: iSubject, iFlags </qmail>
-  	// set request handler pointer
-	iRequestHandler = static_cast<CFSMailRequestHandler*>(Dll::Tls());
+    // set request handler pointer
+  iRequestHandler = static_cast<CFSMailRequestHandler*>(Dll::Tls());
 }
 
 // -----------------------------------------------------------------------------
@@ -78,13 +78,13 @@
     // Construction of shared data object
     iNmPrivateMessageEnvelope = new NmMessageEnvelopePrivate();
 
-	// typedef long int TInt32 -> typedef unsigned int quint32
+  // typedef long int TInt32 -> typedef unsigned int quint32
     iNmPrivateMessageEnvelope->mMessageId.setId32((quint32)aMessageId.Id() );
 
-	// typedef unsigned int TUint -> typedef unsigned int quint32
+  // typedef unsigned int TUint -> typedef unsigned int quint32
     iNmPrivateMessageEnvelope->mMessageId.setPluginId32((quint32)aMessageId.PluginId().iUid);
 
-    // construct the CFSMailAddress object and connect it with NmAddress private data
+    // construct the CFSMailAddress object and connect it with NmAddress private data 
     iSender = CFSMailAddress::NewL(iNmPrivateMessageEnvelope->mSender);
 // </qmail>
 }
@@ -109,11 +109,11 @@
 {
     NM_FUNCTION;
     
-	if(iSender)
-		{
-		delete iSender;
-		iSender = NULL;
-		}
+  if(iSender)
+    {
+    delete iSender;
+    iSender = NULL;
+    }
 // <qmail> unnecessary member destruction removed: iSubject, iToRecipients, iCcRecipients, iBccRecipients </qmail>
 }
 
@@ -132,7 +132,7 @@
     if(id.IsNullId()){
         id = TFSMailMsgId(iNmPrivateMessageEnvelope->mFolderId);
     }
-	
+  
     return id;
 // </qmail>
 }
@@ -210,13 +210,20 @@
     NM_FUNCTION;
     
 // <qmail>
-	// store sender
-	if (iSender)
-		{
-		delete iSender;
+    // store sender
+    if (iSender)
+        {
+        delete iSender;
         iSender = NULL;
-		}
-	iSender = aSender;
+        }
+    if (!aSender) 
+        {
+        TRAP_IGNORE(iSender = CFSMailAddress::NewL());
+        }
+    else 
+        {
+        iSender = aSender;
+        }   
     iNmPrivateMessageEnvelope->mSender = iSender->GetNmAddress();
 // </qmail>
 }
@@ -228,7 +235,7 @@
 {
     NM_FUNCTION;
     
-	return iSender;
+  return iSender;
 }
 
 // -----------------------------------------------------------------------------
@@ -278,8 +285,10 @@
     NM_FUNCTION;
     
 // <qmail>
-    iNmPrivateMessageEnvelope->mToRecipients.append(
-        aRecipient->GetNmAddress());
+    if (aRecipient) 
+        {
+        iNmPrivateMessageEnvelope->mToRecipients.append(aRecipient->GetNmAddress());
+        }
 // </qmail>
 }
 
@@ -291,8 +300,11 @@
     NM_FUNCTION;
     
 // <qmail>
-    iNmPrivateMessageEnvelope->mCcRecipients.append(
-        aRecipient->GetNmAddress());
+    if (aRecipient) 
+        {
+        iNmPrivateMessageEnvelope->mCcRecipients.append(
+            aRecipient->GetNmAddress());
+        }
 // </qmail>
 }
 
@@ -304,8 +316,11 @@
     NM_FUNCTION;
     
 // <qmail>
-    iNmPrivateMessageEnvelope->mBccRecipients.append(
-        aRecipient->GetNmAddress());
+    if (aRecipient)
+        {
+        iNmPrivateMessageEnvelope->mBccRecipients.append(
+            aRecipient->GetNmAddress());
+        }
 // </qmail>      
 }
 
@@ -313,37 +328,37 @@
 // CFSMailMessageBase::ClearToRecipients
 // -----------------------------------------------------------------------------
 EXPORT_C void CFSMailMessageBase::ClearToRecipients( )
-	{
+{
     NM_FUNCTION;
     
 // <qmail>
     iNmPrivateMessageEnvelope->mToRecipients.clear();
 // </qmail>
-	}
+}
 
 // -----------------------------------------------------------------------------
 // CFSMailMessageBase::ClearCcRecipients
 // -----------------------------------------------------------------------------
 EXPORT_C void CFSMailMessageBase::ClearCcRecipients( )
-	{
+{
     NM_FUNCTION;
     
 // <qmail>
     iNmPrivateMessageEnvelope->mCcRecipients.clear();
 // </qmail>
-	}
+}
 
 // -----------------------------------------------------------------------------
 // CFSMailMessageBase::ClearBccRecipients
 // -----------------------------------------------------------------------------
 EXPORT_C void CFSMailMessageBase::ClearBccRecipients( )
-	{
+{
     NM_FUNCTION;
     
 // <qmail>
     iNmPrivateMessageEnvelope->mBccRecipients.clear();
 // </qmail>
-	}
+}
 
 //<qmail>
 // -----------------------------------------------------------------------------
@@ -451,38 +466,18 @@
 }
 
 // -----------------------------------------------------------------------------
-// CFSMailMessageBase::IsRelatedTo
-// -----------------------------------------------------------------------------
-EXPORT_C TFSMailMsgId CFSMailMessageBase::IsRelatedTo() const
-	{
-    NM_FUNCTION;
-    
-	return iRelatedTo;
-	}
-
-// -----------------------------------------------------------------------------
-// CFSMailMessageBase::SetRelatedTo
-// -----------------------------------------------------------------------------
-EXPORT_C void CFSMailMessageBase::SetRelatedTo( const TFSMailMsgId aMessageId )
-	{
-    NM_FUNCTION;
-    
-	iRelatedTo = aMessageId;
-	}
-
-// -----------------------------------------------------------------------------
 // CFSMailMessageBase::SetReplyToAddress
 // -----------------------------------------------------------------------------
 EXPORT_C void CFSMailMessageBase::SetReplyToAddress(CFSMailAddress* aReplyToAddress)
 {
     NM_FUNCTION;
     
-	// store sender
-	if (iReplyTo)
-		{
-		delete iReplyTo;
-		}
-	iReplyTo = aReplyToAddress;
+  // store sender
+  if (iReplyTo)
+    {
+    delete iReplyTo;
+    }
+  iReplyTo = aReplyToAddress;
 
 }
 
@@ -493,14 +488,14 @@
 {
     NM_FUNCTION;
     
-	return *iReplyTo;
+    return *iReplyTo;
 }
 
 EXPORT_C CFSMailRequestHandler& CFSMailMessageBase::RequestHandler( )
 {
     NM_FUNCTION;
     
-	return *iRequestHandler;
+    return *iRequestHandler;
 }
 
 // <qmail>