Disadvantage of free email id:

As the internet is used by many users and currently the stats say India is the 3rd largest internet users in the world where emails play a very important role in communication. On the other hand there are various negatives of using free email id if you are holding a business or working in a corporate, office etc. Just imagine you meet with a client of yours who provides you his/her visiting card with a any of the free email ID on it. Would you not think twice to have a deal with them? Would you not question yourself don