Files Reference aliases File for Mail Purpose Contains alias definitions for the sendmail command. Do not change these defaults, as they are required by the system.
Lines beginning with white space are continuation lines.
Aliasing occurs only on local names. System-wide aliases are used to redirect mail. As an individual user, you can also specify aliases in your .mailrc file. Aliases can be defined to send mail to a distribution list. For example, you can send mail to all of the members of a project by sending mail to a single name.