Have you ever met this problem when you're using MSN Messenger: Cannot voice chat or video chat with your friend, can't send a file to your friend when you or your friend are behind NATs. If you find this is very annoying, then ENat for MSN Messenger maybe a solution for you.

ENat Offline for MSN Messenger enable you to send a message to your friend even if he is offline. Offline messages will be delieved to your friends immediatelly when he signs in next time. The add-on is fully integrated into MSN Messenger to save your precious desktop space. Support MSN Messenger version 5.0 and later. Support all kinds of languages to send offline messages.