A typical email address contains the “@” symbol; it is a crucial component. The “@” symbol separates the username (or mailbox name) from the domain name in an email address. For example, in the email address “user@example.com,” “user” is the username, “example” is the domain name, and “@” is the separator between them. The “@” symbol is essential for routing emails to the correct destination on the internet. Gmail, provided by Google, is a popular free email service.