A computer program used to access and manage email is known as what?

The term that accurately describes a computer program used to access and manage email is "email client." An email client is specifically designed to send, receive, and organize email. It interacts with the email server to deliver messages and often provides features such as filtering, organization into folders, and support for multiple email accounts.

While terminology can occasionally overlap, not all alternatives capture the full functionality and purpose of an email client. "Email software" is quite broad and may refer to any application that handles email without emphasizing the specific interaction with email servers. "Email tool" is also vague and can imply a wide range of functionalities beyond just email management. "Email interface," while seemingly relevant, focuses more on the user experience or the graphical layout of accessing email rather than the underlying program that manages email communications. Thus, "email client" is the most precise and widely accepted term for software dedicated to handling email tasks effectively.