>I read Michel's explanation, but I think so there is a contradiction. If I can search by ID from messages I should can search by ID from search section... Maybe he can make an exception for ID search from search section...

There are to be some incentives to boost some of the options for the PUTM. This is one of them, despite the fact that the biggest boost is searching in the full archives of messages as well as maximizing the account setup settings. One should realize that this Web site as its own set of expenses and we need to generate some revenues from the PUTM and from the banner advertisement.