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- ### router/400_exim4-config_system_aliases
- #################################
- # This router handles aliasing using a traditional /etc/aliases file.
- #
- ##### NB You must ensure that /etc/aliases exists. It used to be the case
- ##### NB that every Unix had that file, because it was the Sendmail default.
- ##### NB These days, there are systems that don't have it. Your aliases
- ##### NB file should at least contain an alias for "postmaster".
- #
- # This router handles the local part in a case-insensitive way which
- # satisfies the RFCs requirement that postmaster be reachable regardless
- # of case. If you decide to handle /etc/aliases in a caseful way, you
- # need to make arrangements for a caseless postmaster.
- #
- # Delivery to arbitrary directories, files, and piping to programs in
- # /etc/aliases is disabled per default.
- # If that is a problem for you, see
- # /usr/share/doc/exim4-base/README.Debian.gz
- # for explanation and some workarounds.
- system_aliases:
- debug_print = "R: system_aliases for $local_part@$domain"
- driver = redirect
- domains = +local_domains
- allow_fail
- allow_defer
- data = ${lookup{$local_part}lsearch{/etc/aliases}}
- .ifdef SYSTEM_ALIASES_USER
- user = SYSTEM_ALIASES_USER
- .endif
- .ifdef SYSTEM_ALIASES_GROUP
- group = SYSTEM_ALIASES_GROUP
- .endif
- .ifdef SYSTEM_ALIASES_FILE_TRANSPORT
- file_transport = SYSTEM_ALIASES_FILE_TRANSPORT
- .endif
- .ifdef SYSTEM_ALIASES_PIPE_TRANSPORT
- pipe_transport = SYSTEM_ALIASES_PIPE_TRANSPORT
- .endif
- .ifdef SYSTEM_ALIASES_DIRECTORY_TRANSPORT
- directory_transport = SYSTEM_ALIASES_DIRECTORY_TRANSPORT
- .endif
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