A more thorough explanation:

Spam refers to unsolicited commercial email messages that fill up people's inboxes. It is similar to the junk mail that arrives through postal mail. While spam emails are widely condemned, they are still very prevalent.

State governments have tried to regulate spam through various tactics, including passing laws with anti-spam regulations. However, Congress passed the CAN-SPAM Act of 2003, which preempts most state laws to provide a national standard for regulating commercial email.

The following FAQs will answer questions that recipients of spam email and their lawyers may have about the legal framework governing commercial email.

John receives an email from a company he has never heard of, promoting a product he has no interest in. This email is considered spam because it is unsolicited and commercial in nature.

Example 2:

Sarah's inbox is filled with emails from various companies, even though she never signed up for their mailing lists. These emails are also considered spam because they are unsolicited and commercial in nature.

These examples illustrate the definition of spam as unsolicited commercial email messages that clog people's inboxes. They show how spam can be annoying and unwanted, and how it can come from companies that recipients have no interest in.