ON COLORS

Make sure you write the shipping address clearly, as this is what will get you (or not) to good port. Also write the sender's address on the back of the envelope, and line it gently with a pen; this is a correspondence trick so as not to be confused with two directions.

Why is it important to use mail if you are a business?
Sending correspondence as part of companies ’marketing strategy is a way to stand out from the competition you have chosen to save costs by using mailing services that often end up in our spam folder. Sending a letter to your customers will make them feel special and allow you to provide them with the personalized attention they appreciate.