15.5. Mail aliasing and forwarding

Aliases map names to address lists. The aliases are defined in the /etc/aliases file by the user administrator. The /etc/aliases file consists of a series of entries in the following format:

Alias: Name1, Name2, ... NameX

where Alias can be any alphanumeric string that you choose (not including special characters, such as @ or !). Name1 through NameX is a series of one or more recipient names. The /etc/aliases file must contain the following three aliases (a sample file is shown in Figure 15-5):

Figure 15-5. /etc/aliases File

  • MAILER-DAEMON

  • postmaster

  • nobody

15.5.1. Creating or modifying local system aliases ...

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