file contains a list of mail addresses or programs
that the users mail should be redirected to.
file is not present, then no mail forwarding will be done.
Mail may also be forwarded as the standard input to a program
by prefixing the line
with the normal shell pipe symbol (|).
are to be passed to the command, then the entire line
should be enclosed in quotes.
For security reasons, the
file must be owned by the user the mail is being sent to,
or by root, and the users shell must be listed in
For example, if a
file contained the following lines:
Mail would be forwarded to
and to the program
with the single argument
If a local user address is prefixed with a backslash
character, mail is delivered directly to the users
mail spool file, bypassing further redirection.
For example, if user chris had a
file containing the following lines:
One copy of mail would be forwarded to
and another copy would be retained as mail for local user chris.