diff -r ecf6a73a9186 -r 60a8a215b0ec messagingapp/msgui/unifiededitor/src/msgunieditoraddress.cpp
--- a/messagingapp/msgui/unifiededitor/src/msgunieditoraddress.cpp	Tue Oct 05 13:58:47 2010 +0530
+++ b/messagingapp/msgui/unifiededitor/src/msgunieditoraddress.cpp	Tue Oct 19 11:30:16 2010 +0530
@@ -63,7 +63,8 @@
 mSkipMaxRecipientQuery(false),
 mAboutToExceedMaxSmsRecipients(false),
 mAboutToExceedMaxMmsRecipients(false),
-mExceedsMaxMmsRecipientsBy(0)
+mExceedsMaxMmsRecipientsBy(0),
+mAddressCount(0)
 {
     this->setContentsMargins(0,0,0,0);
 
@@ -75,8 +76,6 @@
 
     mAddressEdit = new MsgUnifiedEditorLineEdit(label,this);
     HbStyle::setItemName(mAddressEdit,"addressField");
-
-    mAddressEdit->setMaxRows(40);
     connect(mAddressEdit, SIGNAL(contentsChanged(const QString&)),
             this, SLOT(onContentsChanged(const QString&)));
 
@@ -89,9 +88,6 @@
 
 MsgUnifiedEditorAddress::~MsgUnifiedEditorAddress()
 {
-	//TODO: Should remove this code depending on orbit's reply whether it is needed
-	//to unregister the same plugin registered on two different widgets twice.
-    //style()->unregisterPlugin(mPluginPath);
 }
 
 void MsgUnifiedEditorAddress::fetchContacts()
@@ -330,6 +326,9 @@
 
 void MsgUnifiedEditorAddress::onContentsChanged(const QString& text)
 {
+
+    emitContentsChanged();
+    
     // Max MMS recipient count check
     if( mAboutToExceedMaxMmsRecipients ||
         (MsgUnifiedEditorMonitor::msgAddressCount() >= MsgUnifiedEditorMonitor::maxMmsRecipients()) )
@@ -345,20 +344,18 @@
         }
         else
         {
-            // update monitor data
-            emit contentChanged();
             if(MsgUnifiedEditorMonitor::msgAddressCount() > MsgUnifiedEditorMonitor::maxMmsRecipients())
             {
                 HbMessageBox::information(LOC_MMS_RECIPIENT_LIMIT_REACHED, 0, 0, HbMessageBox::Ok);
                 resetToPrevious();
-                // reset monitor data
-                emit contentChanged();
             }
             else
             {
                 mPrevBuffer = text;
             }
         }
+        
+        emitContentsChanged();
         return;
     }
 
@@ -379,8 +376,8 @@
         {// remember addresses before the block insertion started
             mPrevBuffer = text;
         }
-        emit contentChanged();
     }
+    emitContentsChanged();
 }
 
 void MsgUnifiedEditorAddress::handleRecipientLimitReached()
@@ -529,14 +526,15 @@
 {
     HbMessageBox *dlg = qobject_cast<HbMessageBox*> (sender());
     if (action == dlg->actions().at(0)) {
-        // accept new content, update prev-buffer
-        emit contentChanged();
         mPrevBuffer = mAddressEdit->content();
     }
     else {
         // reject the new content, keep the old
         resetToPrevious();
     }
+    
+    emitContentsChanged();
+    
 }
 
 // ----------------------------------------------------------------------------
@@ -593,6 +591,36 @@
     mLaunchBtn->blockSignals(false);
 }
 
+void  MsgUnifiedEditorAddress::emitContentsChanged()
+{
+    int currentAddressCount = addressCount();
+    bool hasEmail = hasValidEmailAddress();
+    
+    if(mAddressCount != currentAddressCount || hasEmail)
+    {
+        mAddressCount = currentAddressCount;       
+        QVariantList data;
+        data << mAddressCount << hasEmail;
+        emit contentsChanged(data);
+    }
+}
+
+bool MsgUnifiedEditorAddress::hasValidEmailAddress()
+{
+    bool result = false;
+    QStringList addressList = mAddressEdit->addresses();
+    QRegExp emailExp("\\S+@\\S+");
+    int i = addressList.indexOf(emailExp);//getting item index having @ symbol.
+    
+    //check if index is valid.
+    if(i >= 0 )
+    {
+        result = true;
+    }
+        
+    return result;
+}
+
 Q_IMPLEMENT_USER_METATYPE(CntServicesContact)
 Q_IMPLEMENT_USER_METATYPE_NO_OPERATORS(CntServicesContactList)