When creating messages for sending mark them as read
@@ -1384,6 +1384,7 @@ public class MessagingController {
LocalStore localStore = localStoreProvider.getInstance(account);
LocalFolder localFolder = localStore.getFolder(account.getOutboxFolderId());
localFolder.open();
+ message.setFlag(Flag.SEEN, true);
localFolder.appendMessages(Collections.singletonList(message));
LocalMessage localMessage = localFolder.getMessage(message.getUid());
long messageId = localMessage.getDatabaseId();
