There are a few reasons this may have happened. 

First, if there is a typo in your email address in your Cocktail Courier account, you will not be able to receive order updates via email. 

Also, please check your spam folder - the email may be hiding in there!

Remember, you can always check the status of an order via your Cocktail Courier account!  See the article titled "How Can I Track My Package?" to learn more.