Here's an updated article about measures being strictly taken into consideration when clearing items out of the Mauritian customs. This article should help you a lot for your online purchases.
Buying on eBay from Mauritius
I finally came up with this post since I have been asked practically the same questions for the last few days! Most of the people landed on my D5000 blog post in which I describe my first experience with eBay. So, this post will go mainly to Mauritians wishing to purchase something on ebay...