This document discusses spam and defines it as unsolicited email sent in bulk without the recipient's consent. It provides examples of messages that would and would not be considered spam. It argues that spam is unethical because it costs recipients time and resources to filter, can clog email networks, and enables the spread of viruses. While spam may be legal in Portugal if sent to companies, it violates the policies of most internet providers. Freedom of speech does not give people the right to compel others to listen without their consent.