Gmail is one of the largest email service providers in the world. It provides an array of services such as control on spam, unlimited storage space, labs, chat etc. Archiving the messages so that you never lose them is also another option in Gmail that is worth a mention. Archiving can also be done while Labeling emails to be able to group the relevant ones together in searches etc.
Follow this step by step tutorial to learn How to label and archive messages automatically in Gmail.