Linux newaliases command details how to use Linux newaliases command

When sendmail receives a message to xxx, it sends it to another user based on the content in the aliases file. This function can create a user that is only valid in the mail system. For example, mailing list will use this function, in mailinglist, we may create a mailinglist called redlinux@link.ece.uci.edu, but in fact there is no redlinux user. The actual content of the aliases file is to send all the messages sent to this user to the mailing list handler for delivery.

/Etc/aliases is a text file. sendmail requires/etc/aliases. db in binary format. The function of newaliases is to convert/etc/aliases into a database that sendmail can understand.

Permission: system administrator.

Syntax

Newaliases

Parameter description: no parameter.

Instance

# Newaliases

The following command will do the same thing

# Sendmail-bi