diff --git a/src/com/android/messaging/datamodel/action/ResendMessageAction.java b/src/com/android/messaging/datamodel/action/ResendMessageAction.java
index 0943f72..b442ae6 100644
--- a/src/com/android/messaging/datamodel/action/ResendMessageAction.java
+++ b/src/com/android/messaging/datamodel/action/ResendMessageAction.java
@@ -80,8 +80,6 @@ public class ResendMessageAction extends Action implements Parcelable {
 
             final ContentValues values = new ContentValues();
             values.put(MessageColumns.STATUS, MessageData.BUGLE_STATUS_OUTGOING_YET_TO_SEND);
-            values.put(MessageColumns.RECEIVED_TIMESTAMP, timestamp);
-            values.put(MessageColumns.SENT_TIMESTAMP, timestamp);
             values.put(MessageColumns.RETRY_START_TIMESTAMP, timestamp);
 
             // Row must exist as was just loaded above (on ActionService thread)
diff --git a/src/com/android/messaging/datamodel/action/SendMessageAction.java b/src/com/android/messaging/datamodel/action/SendMessageAction.java
index 35e6280..44c661d 100644
--- a/src/com/android/messaging/datamodel/action/SendMessageAction.java
+++ b/src/com/android/messaging/datamodel/action/SendMessageAction.java
@@ -95,13 +95,17 @@ public class SendMessageAction extends Action implements Parcelable {
     private boolean queueAction(final String messageId, final Action processingAction) {
         actionParameters.putString(KEY_MESSAGE_ID, messageId);
 
-        final long timestamp = System.currentTimeMillis();
         final DatabaseWrapper db = DataModel.get().getDatabase();
 
         final MessageData message = BugleDatabaseOperations.readMessage(db, messageId);
         // Check message can be resent
         if (message != null && message.canSendMessage()) {
-            final boolean isSms = (message.getProtocol() == MessageData.PROTOCOL_SMS);
+            final boolean isSms = message.getIsSms();
+            long timestamp = System.currentTimeMillis();
+            if (!isSms) {
+                // MMS expects timestamp rounded to nearest second
+                timestamp = 1000 * ((timestamp + 500) / 1000);
+            }
 
             final ParticipantData self = BugleDatabaseOperations.getExistingParticipant(
                     db, message.getSelfId());
@@ -110,8 +114,13 @@ public class SendMessageAction extends Action implements Parcelable {
 
             // Update message status
             if (message.getYetToSend()) {
-                // Initial sending of message
-                message.markMessageSending(timestamp);
+                if (message.getReceivedTimeStamp() == message.getRetryStartTimestamp()) {
+                    // Initial sending of message
+                    message.markMessageSending(timestamp);
+                } else {
+                    // Manual resend of message
+                    message.markMessageManualResend(timestamp);
+                }
             } else {
                 // Automatic resend of message
                 message.markMessageResending(timestamp);