[exim] cannot find router driver "lookuphost"

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Autor: richard.mckinley
Data:  
A: exim-users
Assumpte: [exim] cannot find router driver "lookuphost"
Hi



I recently installed exim-3.36 from an rpm, but on testing the
installation



> Exim -C ../configure -bV




I get the following error:



2005-01-11 14:42:55 Exim configuration error

router lookuphost: cannot find router driver "lookuphost" in line 242



Any advice on what might cause this error is gratefully appreciated..



I have included the original Makefile used when building the rpm and
also the relevant section of the exim run-time configuration file.



Runtime Configuration (configure)



######################################################################

#                      TRANPORTS CONFIGURATION                       #


######################################################################



# This transport is used for local delivery to user mailboxes. By
default

# it will be run under the uid and gid of the local user, and requires

# the sticky bit to be set on the /var/mail directory. Some systems use

# the alternative approach of running mail deliveries under a particular

# group instead of using the sticky bit. The commented options below
show

# how this can be done.



local_delivery:

driver = appendfile

file = /var/mail/${local_part}

# group = mail,

# mode = 0660



# This transport is used for handling pipe addresses generated by alias

# or .forward files. It has a conventional name, since it is not
actually

# mentioned elsewhere in this configuration file. If the pipe generates

# any standard output, it is returned to the sender of the message as a

# delivery error. Set return_fail_output instead if you want this to
happen

# only when the pipe fails to complete normally.



address_pipe:

driver = pipe

ignore_status

user=daemon

return_output



# This transport is used for handling file addresses generated by alias

# or .forward files. It has a conventional name, since it is not
actually

# mentioned elsewhere in this configuration file.



address_file:

driver = appendfile



# This transport is used for handling autoreplies generated by the
filtering

# option of the forwardfile director. It has a conventional name, since
it

# is not actually mentioned elsewhere in this configuration file.



address_reply:

driver = autoreply



# This transport is used for delivering messages over SMTP connections.



smtp:

driver = smtp

connect_timeout = 30s



end







######################################################################

#                      DIRECTORS CONFIGURATION                       #


######################################################################



# This director handles aliasing using a traditional /etc/aliases file.

# If any of your aliases expand to pipes or files, you will need to set

# up a user and a group for these deliveries to run under. You can do

# this by uncommenting the "user" option below (changing the user name

# as appropriate) and adding a "group" option if necessary.



system_aliases:

driver = aliasfile

file_transport = address_file

pipe_transport = address_pipe

file = /etc/aliases

search_type = lsearch

# user = exim



# This director handles forwarding using traditional .forward files.

# If you want it also to allow mail filtering when a forward file

# starts with the string "# Exim filter", uncomment the "filter" option.

# The check_ancestor option means that if the forward file generates an

# address that is an ancestor of the current one, the current one gets

# passed on instead. This covers the case where A is aliased to B and B

# has a .forward file pointing to A.



userforward:

no_verify

driver = forwardfile

file_transport = address_file

pipe_transport = address_pipe

reply_transport = address_reply

check_ancestor

file = .forward

# filter



# This director matches local user mailboxes.



localuser:

driver = localuser

transport = local_delivery



end







######################################################################

#                      ROUTERS CONFIGURATION                         #


######################################################################



# This router routes to remote hosts over SMTP using a DNS lookup with

# default options.



lookuphost:

driver = lookuphost

transport = smtp







# This router routes to remote hosts over SMTP by explicit IP address,

# given as a "domain literal" in the form [nnn.nnn.nnn.nnn]. The RFCs

# require this facility, which is why it is enabled by default in Exim.

# If you want to lock it out, set forbid_domain_literals in the main

# configuration section above.



literal:

driver = ipliteral

transport = smtp



end







######################################################################

#                      RETRY CONFIGURATION                           #


######################################################################



# This single retry rule applies to all domains and all errors. It
specifies

# retries every 15 minutes for 2 hours, then increasing retry intervals,

# starting at 2 hours and increasing each time by a factor of 1.5, up to
16

# hours, then retries every 8 hours until 4 days have passed since the
first

# failed delivery.



# Domain               Error       Retries


# ------               -----       -------




*                      *           F,2h,15m; F,22h,60m; G,3d,2h,1.5






end







#*                      *           F,2h,15m; G,16h,2h,1.5; F,1d,8h


######################################################################

#                      REWRITE CONFIGURATION                         #


######################################################################





# End of Exim configuration file





Buildtime Configuration (Local/Makefile)



##################################################

#          The Exim mail transport agent         #


##################################################



# This is the template for Exim's main build-time configuration file. It

# contains settings that are independent of any operating system. These
are

# things that are mostly sysadmin choices. The items below are divided
into

# those you must specify, those you probably want to specify, those you
might

# often want to specify, and those that you almost never need to
mention.



# Edit this file and save the result to a file called Local/Makefile
within the

# Exim distribution directory before running the "make" command.



# Things that depend on the operating system have default settings in

# OS/Makefile-Default, but these are overridden for some OS by files
called

# called OS/Makefile-<osname>. You can further override these by
creating files

# called Local/Makefile-<osname>, where "<osname>" stands for the name
of your

# operating system - look at the names in the OS directory to see which
names

# are recognized.



# However, if you are building Exim for a single OS only, you don't need
to

# worry about setting up Local/Makefile-<osname>. Any build-time
configuration

# settings you require can in fact be placed in the one file called

# Local/Makefile. It is only if you are building for several OS from the
same

# source files that you need to worry about splitting off your own
OS-dependent

# settings into separate files. (There's more explanation about how this
all

# works in the toplevel README file, under "Modifying the building
process", as

# well as in the Exim specification.)



# One OS-specific thing that may need to be changed is the command for
running

# the C compiler; the overall default is gcc, but some OS Makefiles
specify cc.

# You can override anything that is set by putting CC=whatever in your

# Local/Makefile.



# NOTE: You should never need to edit any of the distributed Makefiles;
all

# overriding can be done in your Local/Makefile(s). This will make it
easier

# for you when the next release comes along.



# The location of the X11 libraries is something else that is quite
variable

# even between different versions of the same operating system (and
indeed

# there are different versions of X11 as well, of course). The four
settings

# concerned here are X11, XINCLUDE, XLFLAGS (linking flags) and
X11_LD_LIB

# (dynamic run-time library). You need not worry about X11 unless you
want to

# compile the Exim monitor utility. Exim itself does not use X11.



# Another area of variability between systems is the type and location
of the

# DBM library package. Exim has support for ndbm, gdbm, tdb, and
Berkeley DB.

# By default the code assumes ndbm; this often works with gdbm or DB,
provided

# they are correctly installed, via their compatibility interfaces.
However,

# Exim can also be configured to use the native calls for Berkeley DB
(obsolete

# versions 1.85, 2.x, 3.x, or the current 4.x version) and also for
gdbm.



# For some operating systems, a default DBM library (other than ndbm) is

# selected by a setting in the OS-specific Makefile. Most modern OS now
have

# a DBM library installed as standard, and in many cases this will be
selected

# for you by the OS-specific configuration. If Exim compiles without any

# problems, you probably do not have to worry about the DBM library. If
you

# do want or need to change it, you should first read the discussion in
the

# file doc/dbm.discuss.txt, which also contains instructions for testing
Exim's

# interface to the DBM library.



# In Local/Makefiles blank lines and lines starting with # are ignored.
It is

# also permitted to use the # character to add a comment to a setting,
for

# example

#

# EXIM_GID=42 # the "mail" group

#

# However, with some versions of "make" this works only if there is no
white

# space between the end of the setting and the #, so perhaps it is best

# avoided. A consequence of this facility is that it is not possible to
have

# the # character present in any setting, but I can't think of any cases
where

# this would be wanted.

########################################################################
#######





CC=cc



########################################################################
#######

#                    THESE ARE THINGS YOU MUST SPECIFY
#


########################################################################
#######



# Exim will not build unless you specify BIN_DIRECTORY, CONFIGURE_FILE,
and

# EXIM_USER. You also need EXIM_GROUP if EXIM_USER specifies a uid by
number.



# If you don't specify SPOOL_DIRECTORY, Exim won't fail to build.
However, it

# really is a very good idea to specify it here rather than at run time.
This

# is particularly true if you let the logs go to their default location
in the

# spool directory, because it means that the location of the logs is
known

# before Exim has read the run time configuration file.



#-----------------------------------------------------------------------
-------

# BIN_DIRECTORY defines where the exim binary will be installed by "make

# install". The path is also used internally by Exim when it needs to
re-invoke

# itself, either to send an error message, or to recover root privilege.
Exim's

# utility binaries and scripts are also installed in this directory.
There is

# no "standard" place for the binary directory. Some people like to keep
all

# the Exim files under one directory such as /usr/exim; others just let
the

# Exim binaries go into an existing directory such as /usr/sbin or

# /usr/local/sbin. The installation script will try to create this
directory,

# and any superior directories, if they do not exist.



BIN_DIRECTORY=/opt/exim/bin





#-----------------------------------------------------------------------
-------

# CONFIGURE_FILE defines where Exim's run time configuration file is to
be

# found. It is the complete pathname for the file, not just a directory.
The

# location of all other run time files and directories can be changed in
the

# run time configuration file. There is a lot of variety in the choice
of

# location in different OS, and in the preferences of different
sysadmins. Some

# common locations are in /etc or /etc/mail or /usr/local/etc or

# /usr/local/etc/mail. Another possibility is to keep all the Exim files
under

# a single directory such as /usr/exim. Whatever you choose, the
installation

# script will try to make the directory and any superior directories if
they

# don't exist. It will also install a default runtime configuration if
this

# file does not exist.



CONFIGURE_FILE=/opt/exim/configure



# It is possible to specify a colon-separated list of files for
CONFIGURE_FILE.

# In this case, Exim will use the first of them that exists when it is
run.

# However, if a list is specified, the installation script no longer
tries to

# make superior directories or to install a default runtime
configuration.





#-----------------------------------------------------------------------
-------

# The Exim binary must normally be setuid root, so that it starts
executing as

# root, but (depending on the options with which it is called) it does
not

# always need to retain the root privilege. These settings define the
user and

# group that is used for Exim processes when they no longer need to be
root. In

# particular, this applies when receiving messages and when doing remote

# deliveries. (Local deliveries run as various non-root users, typically
as the

# owner of a local mailbox.) Specifying these values as root is very
strongly

# discouraged.



EXIM_USER=ref:exim



# If you specify EXIM_USER as a name, this is looked up at build time,
and the

# uid number is built into the binary. However, you can specify that
this

# lookup is deferred until runtime. In this case, it is the name that is
built

# into the binary. You can do this by a setting of the form:



# EXIM_USER=ref:exim



# In other words, put "ref:" in front of the user name. If you set
EXIM_USER

# like this, any value specified for EXIM_GROUP is also passed "by
reference".

# Although this costs a bit of resource at runtime, it is convenient to
use

# this feature when building binaries that are to be run on multiple
systems

# where the name may refer to different uids. It also allows you to
build Exim

# on a system where there is no Exim user defined.



# If the setting of EXIM_USER is numeric (e.g. EXIM_USER=42), there must

# also be a setting of EXIM_GROUP. If, on the other hand, you use a name

# for EXIM_USER (e.g. EXIM_USER=exim), you don't need to set EXIM_GROUP
unless

# you want to use a group other than the default group for the given
user.



#EXIM_GROUP=42



# Many sites define a user called "exim", with an appropriate default
group,

# and use

#

# EXIM_USER=exim

#

# while leaving EXIM_GROUP unspecified (commented out).

#-----------------------------------------------------------------------
-------

# SPOOL_DIRECTORY defines the directory where all the data for messages
in

# transit is kept. It is strongly recommended that you define it here,
though

# it is possible to leave this till the run time configuration.



# Exim creates the spool directory if it does not exist. The owner and
group

# will be those defined by EXIM_USER and EXIM_GROUP, and this also
applies to

# all the files and directories that are created in the spool directory.



# Almost all installations choose this:



SPOOL_DIRECTORY=/var/spool/exim







########################################################################
#######

#           THESE ARE THINGS YOU PROBABLY WANT TO SPECIFY
#


########################################################################
#######



# You need to specify some routers and transports if you want the Exim
that you

# are building to be capable of delivering mail. You almost certainly
need at

# least one type of lookup. You should consider whether you want to
build

# the Exim monitor or not.





#-----------------------------------------------------------------------
-------

# These settings determine which individual router drivers are included
in the

# Exim binary. There are no defaults in the code; those routers that are
wanted

# must be defined here by setting the appropriate variables to the value
"yes".

# Including a router in the binary does not cause it to be used
automatically.

# It has also to be configured in the run time configuration file. By

# commenting out those you know you don't want to use, you can make the
binary

# a bit smaller. If you are unsure, leave all of these included for now.



ROUTER_ACCEPT=yes

ROUTER_DNSLOOKUP=yes

ROUTER_IPLITERAL=yes

ROUTER_MANUALROUTE=yes

ROUTER_QUERYPROGRAM=yes

ROUTER_REDIRECT=yes



# This one is very special-purpose, so is not included by default.



# ROUTER_IPLOOKUP=yes





#-----------------------------------------------------------------------
-------

# These settings determine which individual transport drivers are
included in

# the Exim binary. There are no defaults; those transports that are
wanted must

# be defined here by setting the appropriate variables to the value
"yes".

# Including a transport in the binary does not cause it to be used

# automatically. It has also to be configured in the run time
configuration

# file. By commenting out those you know you don't want to use, you can
make

# the binary a bit smaller. If you are unsure, leave all of these
included for

# now.



TRANSPORT_APPENDFILE=yes

TRANSPORT_AUTOREPLY=yes

TRANSPORT_PIPE=yes

TRANSPORT_SMTP=yes

TRANSPORT_ALIASFILE=yes



# This one is special-purpose, and commonly not required, so it is not

# included by default.



# TRANSPORT_LMTP=yes



DIRECTOR_ALIASFILE=yes

DIRECTOR_FORWARDFILE=yes

DIRECTOR_LOCALUSER=yes

DIRECTOR_SMARTUSER=yes

#-----------------------------------------------------------------------
-------

# The appendfile transport can write messages to local mailboxes in a
number

# of formats. The code for three specialist formats, maildir, mailstore,
and

# MBX, is included only when requested. If you do not know what this is
about,

# leave these settings commented out.



# SUPPORT_MAILDIR=yes

# SUPPORT_MAILSTORE=yes

# SUPPORT_MBX=yes





#-----------------------------------------------------------------------
-------

# These settings determine which file and database lookup methods are
included

# in the binary. See the manual chapter entitled "File and database
lookups"

# for discussion. DBM and lsearch (linear search) are included by
default. If

# you are unsure about the others, leave them commented out for now.

# LOOKUP_DNSDB does *not* refer to general mail routing using the DNS.
It is

# for the specialist case of using the DNS as a general database
facility (not

# common).



LOOKUP_DBM=yes

DBMLIB=-ldb

LOOKUP_LSEARCH=yes



# LOOKUP_CDB=yes

# LOOKUP_DNSDB=yes

# LOOKUP_DSEARCH=yes

# LOOKUP_IBASE=yes

# LOOKUP_LDAP=yes

# LOOKUP_MYSQL=yes

# LOOKUP_NIS=yes

# LOOKUP_NISPLUS=yes

# LOOKUP_ORACLE=yes

# LOOKUP_PASSWD=yes

# LOOKUP_PGSQL=yes

# LOOKUP_WHOSON=yes



# These two settings are obsolete; all three lookups are compiled when

# LOOKUP_LSEARCH is enabled. However, we retain these for backward

# compatibility. Setting one forces LOOKUP_LSEARCH if it is not set.



# LOOKUP_WILDLSEARCH=yes

# LOOKUP_NWILDLSEARCH=yes





#-----------------------------------------------------------------------
-------

# If you have set LOOKUP_LDAP=yes, you should set LDAP_LIB_TYPE to
indicate

# which LDAP library you have. Unfortunately, though most of their
functions

# are the same, there are minor differences. Currently Exim knows about
four

# LDAP libraries: the one from the University of Michigan (also known as

# OpenLDAP 1), OpenLDAP 2, the Netscape SDK library, and the library
that comes

# with Solaris 7 onwards. Uncomment whichever of these you are using.



# LDAP_LIB_TYPE=OPENLDAP1

# LDAP_LIB_TYPE=OPENLDAP2

# LDAP_LIB_TYPE=NETSCAPE

# LDAP_LIB_TYPE=SOLARIS



# If you don't set any of these, Exim assumes the original University of

# Michigan (OpenLDAP 1) library.





#-----------------------------------------------------------------------
-------

# Additional libraries and include directories may be required for some

# lookup styles (e.g. LDAP, MYSQL or PGSQL). LOOKUP_LIBS is included
only on

# the command for linking Exim itself, not on any auxiliary programs.
You

# don't need to set LOOKUP_INCLUDE if the relevant directories are
already

# specified in INCLUDE. The settings below are just examples; -lpq is
for

# PostgreSQL, -lgds is for Interbase.



LOOKUP_LIBS=-L/usr/local/BerkeleyDB.4.3/lib -L/usr/local/lib -L/usr/lib
-ldb



#-----------------------------------------------------------------------
-------

# Compiling the Exim monitor: If you want to compile the Exim monitor, a

# program that requires an X11 display, then EXIM_MONITOR should be set
to the

# value "eximon.bin". Comment out this setting to disable compilation of
the

# monitor. The locations of various X11 directories for libraries and
include

# files are defaulted in the OS/Makefile-Default file, but can be
overridden in

# local OS-specific make files.



#EXIM_MONITOR=eximon.bin







########################################################################
#######

#                 THESE ARE THINGS YOU MIGHT WANT TO SPECIFY
#


########################################################################
#######



# The items in this section are those that are commonly changed
according to

# the sysadmin's preferences, but whose defaults are often acceptable.
The

# first five are concerned with security issues, where differing levels
of

# paranoia are appropriate in different environments. Sysadmins also
vary in

# their views on appropriate levels of defence in these areas. If you do
not

# understand these issues, go with the defaults, which are used by many
sites.





#-----------------------------------------------------------------------
-------

# Although Exim is normally a setuid program, owned by root, it refuses
to run

# local deliveries as root by default. There is a runtime option called

# "never_users" which lists the users that must never be used for local

# deliveries. There is also the setting below, which provides a list
that

# cannot be overridden at runtime. This guards against problems caused
by

# unauthorized changes to the runtime configuration. You are advised not
to

# remove "root" from this option, but you can add other users if you
want. The

# list is colon-separated.



FIXED_NEVER_USERS=root





#-----------------------------------------------------------------------
-------

# By default, Exim insists that its configuration file be owned either
by root

# or by the Exim user. You can specify one additional permitted owner
here.



# CONFIGURE_OWNER=



# If you specify CONFIGURE_OWNER as a name, this is looked up at build
time,

# and the uid number is built into the binary. However, you can specify
that

# this lookup is deferred until runtime. In this case, it is the name
that is

# built into the binary. You can do this by a setting of the form:



# CONFIGURE_OWNER=ref:mail



# In other words, put "ref:" in front of the user name. Although this
costs a

# bit of resource at runtime, it is convenient to use this feature when

# building binaries that are to be run on multiple systems where the
name may

# refer to different uids. It also allows you to build Exim on a system
where

# the relevant user is not defined.





#-----------------------------------------------------------------------
-------

# The -C option allows Exim to be run with an alternate runtime
configuration

# file. When this is used by root or the Exim user, root privilege is
retained

# by the binary (for any other caller, it is dropped). You can restrict
the

# location of alternate configurations by defining a prefix below. Any
file

# used with -C must then start with this prefix (except that /dev/null
is also

# permitted if the caller is root, because that is used in the install
script).

# If the prefix specifies a directory that is owned by root, a
compromise of

# the Exim account does not permit arbitrary alternate configurations to
be

# used. The prefix can be more restrictive than just a directory (the
second

# example).



# ALT_CONFIG_PREFIX=/some/directory/

# ALT_CONFIG_PREFIX=/some/directory/exim.conf-





#-----------------------------------------------------------------------
-------

# If you uncomment the following line, only root may use the -C or -D
options

# without losing root privilege. The -C option specifies an alternate
runtime

# configuration file, and the -D option changes macro values in the
runtime

# configuration. Uncommenting this line restricts what can be done with
these

# options. A call to receive a message (either one-off or via a daemon)
cannot

# successfully continue to deliver it, because the re-exec of Exim to
regain

# root privilege will fail, owing to the use of -C or -D by the Exim
user.

# However, you can still use -C for testing (as root) if you do separate
Exim

# calls for receiving a message and subsequently delivering it.



# ALT_CONFIG_ROOT_ONLY=yes





#-----------------------------------------------------------------------
-------

# Uncommenting this option disables the use of the -D command line
option,

# which changes the values of macros in the runtime configuration file.

# This is another protection against somebody breaking into the Exim
account.



# DISABLE_D_OPTION=yes





#-----------------------------------------------------------------------
-------

# Exim has support for the AUTH (authentication) extension of the SMTP

# protocol, as defined by RFC 2554. If you don't know what SMTP
authentication

# is, you probably won't want to include this code, so you should leave
these

# settings commented out. If you do want to make use of SMTP
authentication,

# you must uncomment at least one of the following, so that appropriate
code is

# included in the Exim binary. You will then need to set up the run time

# configuration to make use of the mechanism(s) selected.



# AUTH_CRAM_MD5=yes

# AUTH_CYRUS_SASL=yes

# AUTH_PLAINTEXT=yes

# AUTH_SPA=yes





#-----------------------------------------------------------------------
-------

# If you specified AUTH_CYRUS_SASL above, you should ensure that you
have the

# Cyrus SASL library installed before trying to build Exim, and you
probably

# want to uncomment the following line:



# AUTH_LIBS=-lsasl2





#-----------------------------------------------------------------------
-------

# When Exim is decoding MIME "words" in header lines, most commonly for
use

# in the $header_xxx expansion, it converts any foreign character sets
to the

# one that is set in the headers_charset option. The default setting is

# defined by this setting:



HEADERS_CHARSET="ISO-8859-1"



# If you are going to make use of $header_xxx expansions in your
configuration

# file, or if your users are going to use them in filter files, and the
normal

# character set on your host is something other than ISO-8859-1, you
might

# like to specify a different default here. This value can be overridden
in

# the runtime configuration, and it can also be overridden in individual
filter

# files.

#

# IMPORTANT NOTE: The iconv() function is needed for character code

# conversions. Please see the next item...





#-----------------------------------------------------------------------
-------

# Character code conversions are possible only if the iconv() function
is

# installed on your operating system. There are two places in Exim where
this

# is relevant: (a) The $header_xxx expansion (see the previous item),
and (b)

# the Sieve filter support. For those OS where iconv() is known to be
installed

# as standard, the file in OS/Makefile-xxxx contains

#

# HAVE_ICONV=yes

#

# If you are not using one of those systems, but have installed iconv(),
you

# need to uncomment that line above. In some cases, you may find that
iconv()

# and its header file are not in the default places. You might need to
use

# something like this:

#

# HAVE_ICONV=yes

# CFLAGS=-O -I/usr/local/include

# EXTRALIBS_EXIM=-L/usr/local/lib -liconv

#

# but of course there may need to be other things in CFLAGS and
EXTRALIBS_EXIM

# as well.



EXTRALIBS=-L/usr/local/BerkeleyDB.4.3/lib -L/usr/local/lib -L/usr/lib
-lpthread



#-----------------------------------------------------------------------
-------

# The passwords for user accounts are normally encrypted with the
crypt()

# function. Comparisons with encrypted passwords can be done using
Exim's

# "crypteq" expansion operator. (This is commonly used as part of the

# configuration of an authenticator for use with SMTP AUTH.) At least
one

# operating system has an extended function called crypt16(), which uses
up to

# 16 characters of a password (the normal crypt() uses only the first
8). Exim

# supports the use of crypt16() as well as crypt().



# You can always indicate a crypt16-encrypted password by preceding it
with

# "{crypt16}". If you want the default handling (without any preceding

# indicator) to use crypt16(), uncomment the following line:



# DEFAULT_CRYPT=crypt16



# If you do that, you can still access the basic crypt() function by
preceding

# an encrypted password with "{crypt}". For more details, see the
description

# of the "crypteq" condition in the manual chapter on string expansions.



# Since most operating systems do not include a crypt16() function
(yet?), Exim

# has one of its own, which it uses unless HAVE_CRYPT16 is defined.
Normally,

# that will be set in an OS-specific Makefile for the OS that have such
a

# function, so you should not need to bother with it.





#-----------------------------------------------------------------------
-------

# Exim can be built to support the SMTP STARTTLS command, which
implements

# Transport Layer Security using SSL (Secure Sockets Layer). To do this,
you

# must install the OpenSSL library package or the GnuTLS library. Exim
contains

# no cryptographic code of its own. Uncomment the following lines if you
want

# to build Exim with TLS support. If you don't know what this is all
about,

# leave these settings commented out.



# This setting is required for any TLS support (either OpenSSL or
GnuTLS)

# SUPPORT_TLS=yes



# Uncomment this setting if you are using OpenSSL

# TLS_LIBS=-lssl -lcrypto



# Uncomment these settings if you are using GnuTLS

# USE_GNUTLS=yes

# TLS_LIBS=-lgnutls -ltasn1 -lgcrypt



# If you are running Exim as a server, note that just building it with
TLS

# support is not all you need to do. You also need to set up a suitable

# certificate, and tell Exim about it by means of the tls_certificate

# and tls_privatekey run time options. You also need to set
tls_advertise_hosts

# to specify the hosts to which Exim advertises TLS support. On the
other hand,

# if you are running Exim only as a client, building it with TLS support

# is all you need to do.



# Additional libraries and include files are required for both OpenSSL
and

# GnuTLS. The TLS_LIBS settings above assume that the libraries are
installed

# with all your other libraries. If they are in a special directory, you
may

# need something like



# TLS_LIBS=-L/usr/local/openssl/lib -lssl -lcrypto

# or

# TLS_LIBS=-L/opt/gnu/lib -lgnutls -ltasn1 -lgcrypt



# TLS_LIBS is included only on the command for linking Exim itself, not
on any

# auxiliary programs. If the include files are not in a standard place,
you can

# set TLS_INCLUDE to specify where they are, for example:



# TLS_INCLUDE=-I/usr/local/openssl/include/

# or

# TLS_INCLUDE=-I/opt/gnu/include



# You don't need to set TLS_INCLUDE if the relevant directories are
already

# specified in INCLUDE.





#-----------------------------------------------------------------------
-------

# The default distribution of Exim contains only the plain text form of
the

# documentation. Other forms are available separately. If you want to
install

# the documentation in "info" format, first fetch the Texinfo
documentation

# sources from the ftp directory and unpack them, which should create
files

# with the extension "texinfo" in the doc directory. You may find that
the

# version number of the texinfo files is different to your Exim version
number,

# because the main documentation isn't updated as often as the code. For

# example, if you have Exim version 4.43, the source tarball upacks into
a

# directory called exim-4.43, but the texinfo tarball unpacks into
exim-4.40.

# In this case, move the contents of exim-4.40/doc into exim-4.43/doc
after you

# have unpacked them. Then set INFO_DIRECTORY to the location of your
info

# directory. This varies from system to system, but is often
/usr/share/info.

# Once you have done this, "make install" will build the info files and

# install them in the directory you have defined.



# INFO_DIRECTORY=/usr/share/info





#-----------------------------------------------------------------------
-------

# Exim log directory and files: Exim creates several log files inside a

# single log directory. You can define the directory and the form of the

# log file name here. If you do not set anything, Exim creates a
directory

# called "log" inside its spool directory (see SPOOL_DIRECTORY above)
and uses

# the filenames "mainlog", "paniclog", and "rejectlog". If you want to
change

# this, you can set LOG_FILE_PATH to a path name containing one
occurrence of

# %s. This will be replaced by one of the strings "main", "panic", or
"reject"

# to form the final file names. Some installations may want something
like this:



# LOG_FILE_PATH=/var/log/exim_%slog



# which results in files with names /var/log/exim_mainlog, etc. The
directory

# in which the log files are placed must exist; Exim does not try to
create

# it for itself. It is also your responsibility to ensure that Exim is
capable

# of writing files using this path name. The Exim user (see EXIM_USER
above)

# must be able to create and update files in the directory you have
specified.



# You can also configure Exim to use syslog, instead of or as well as
log

# files, by settings such as these



# LOG_FILE_PATH=syslog

# LOG_FILE_PATH=syslog:/var/log/exim_%slog



# The first of these uses only syslog; the second uses syslog and also
writes

# to log files. Do not include white space in such a setting as it
messes up

# the building process.





#-----------------------------------------------------------------------
-------

# When logging to syslog, the following option caters for syslog
replacements

# that are able to accept log entries longer than the 1024 characters
allowed

# by RFC 3164. It is up to you to make sure your syslog daemon can
handle this.

# Non-printable characters are usually unacceptable regardless, so log
entries

# are still split on newline characters.



# SYSLOG_LONG_LINES=yes



# If you are not interested in the process identifier (pid) of the Exim
that is

# making the call to syslog, then comment out the following line.



SYSLOG_LOG_PID=yes





#-----------------------------------------------------------------------
-------

# Cycling log files: this variable specifies the maximum number of old

# log files that are kept by the exicyclog log-cycling script. You don't
have

# to use exicyclog. If your operating system has other ways of cycling
log

# files, you can use them instead. The exicyclog script isn't run by
default;

# you have to set up a cron job for it if you want it.



EXICYCLOG_MAX=10





#-----------------------------------------------------------------------
-------

# The compress command is used by the exicyclog script to compress old
log

# files. Both the name of the command and the suffix that it adds to
files

# need to be defined here. See also the EXICYCLOG_MAX configuration.



COMPRESS_COMMAND=/usr/bin/gzip

COMPRESS_SUFFIX=gz





#-----------------------------------------------------------------------
-------

# If the exigrep utility is fed compressed log files, it tries to
uncompress

# them using this command.



ZCAT_COMMAND=/usr/bin/zcat





#-----------------------------------------------------------------------
-------

# Compiling in support for embedded Perl: If you want to be able to

# use Perl code in Exim's string manipulation language and you have Perl

# (version 5.004 or later) installed, set EXIM_PERL to perl.o. Using
embedded

# Perl costs quite a lot of resources. Only do this if you really need
it.



# EXIM_PERL=perl.o





#-----------------------------------------------------------------------
-------

# Exim has support for PAM (Pluggable Authentication Modules), a
facility

# which is available in the latest releases of Solaris and in some
GNU/Linux

# distributions (see http://ftp.kernel.org/pub/linux/libs/pam/). The
Exim

# support, which is intended for use in conjunction with the SMTP AUTH

# facilities, is included only when requested by the following setting:



# SUPPORT_PAM=yes



# You probably need to add -lpam to EXTRALIBS, and in some releases of

# GNU/Linux -ldl is also needed.





#-----------------------------------------------------------------------
-------

# Support for authentication via Radius is also available. The Exim
support,

# which is intended for use in conjunction with the SMTP AUTH
facilities,

# is included only when requested by setting the following parameter to
the

# location of your Radius configuration file:



# RADIUS_CONFIG_FILE=/etc/radiusclient/radiusclient.conf

# RADIUS_CONFIG_FILE=/etc/radius.conf



# If you have set RADIUS_CONFIG_FILE, you should also set one of these
to

# indicate which RADIUS library is used:

#

# RADIUSCLIENT is the radiusclient library; you probably need to add

# -libradiusclient to EXTRALIBS

#

# RADLIB is the Radius library that comes with FreeBSD (the header file
is

# called radlib.h); you probably need to add -lradius to EXTRALIBS



# RADIUS_LIB_TYPE=RADIUSCLIENT

# RADIUS_LIB_TYPE=RADLIB



# If you don't set one of these, Exim assumes the radiusclient library.





#-----------------------------------------------------------------------
-------

# Support for authentication via the Cyrus SASL pwcheck daemon is
available.

# Note, however, that pwcheck is now deprecated in favour of saslauthd
(see

# next item). The Exim support for pwcheck, which is intented for use in

# conjunction with the SMTP AUTH facilities, is included only when
requested by

# setting the following parameter to the location of the pwcheck
daemon's

# socket.

#

# There is no need to install all of SASL on your system. You just need
to run

# ./configure --with-pwcheck, cd to the pwcheck directory within the
sources,

# make and make install. You must create the socket directory (default

# /var/pwcheck) and chown it to exim's user and group. Once you have
installed

# pwcheck, you should arrange for it to be started by root at boot time.



# CYRUS_PWCHECK_SOCKET=/var/pwcheck/pwcheck





#-----------------------------------------------------------------------
-------

# Support for authentication via the Cyrus SASL saslauthd daemon is
available.

# The Exim support, which is intented for use in conjunction with the
SMTP AUTH

# facilities, is included only when requested by setting the following

# parameter to the location of the saslauthd daemon's socket.

#

# There is no need to install all of SASL on your system. You just need
to run

# ./configure --with-saslauthd (and any other options you need, for
example, to

# select or deselect authentication mechanisms), cd to the saslauthd
directory

# within the sources, make and make install. You must create the socket

# directory (default /var/state/saslauthd) and chown it to exim's user
and

# group. Once you have installed saslauthd, you should arrange for it to
be

# started by root at boot time.



# CYRUS_SASLAUTHD_SOCKET=/var/state/saslauthd/mux





#-----------------------------------------------------------------------
-------

# TCP wrappers: If you want to use tcpwrappers from within Exim,
uncomment

# this setting. See the manual section entitled "Use of tcpwrappers" in
the

# chapter on building and installing Exim.

#

# USE_TCP_WRAPPERS=yes

#

# You may well also have to specify a local "include" file and an
additional

# library for TCP wrappers, so you probably need something like this:

#

# USE_TCP_WRAPPERS=yes

# CFLAGS=-O -I/usr/local/include

# EXTRALIBS_EXIM=-L/usr/local/lib -lwrap

#

# but of course there may need to be other things in CFLAGS and
EXTRALIBS_EXIM

# as well.





#-----------------------------------------------------------------------
-------

# The default action of the exim_install script (which is run by "make

# install") is to install the Exim binary with a unique name such as

# exim-4.43-1, and then set up a symbolic link called "exim" to
reference it,

# moving the symbolic link from any previous version. If you define
NO_SYMLINK

# (the value doesn't matter), the symbolic link is not created or moved.
You

# will then have to "turn Exim on" by setting up the link manually.



# NO_SYMLINK=yes





#-----------------------------------------------------------------------
-------

# Another default action of the install script is to install a default
runtime

# configuration file if one does not exist. This configuration has a
router for

# expanding system aliases. The default assumes that these aliases are
kept

# in the traditional file called /etc/aliases. If such a file does not
exist,

# the installation script creates one that contains just comments (no
actual

# aliases). The following setting can be changed to specify a different

# location for the system alias file.



SYSTEM_ALIASES_FILE=/etc/aliases





#-----------------------------------------------------------------------
-------

# There are some testing options (-be, -bt, -bv) that read data from the

# standard input when no arguments are supplied. By default, the input
lines

# are read using the standard fgets() function. This does not support
line

# editing during interactive input (though the terminal's "erase"
character

# works as normal). If your operating system has the readline()
function, and

# in addition supports dynamic loading of library functions, you can
cause

# Exim to use readline() for the -be testing option (only) by
uncommenting the

# following setting. Dynamic loading is used so that the library is
loaded only

# when the -be testing option is given; by the time the loading occurs,

# Exim has given up its root privilege and is running as the calling
user. This

# is the reason why readline() is NOT supported for -bt and -bv, because
Exim

# runs as root or as exim, respectively, for those options. When
USE_READLINE

# is "yes", as well as supporting line editing, a history of input lines
in the

# current run is maintained.



# USE_READLINE=yes







########################################################################
#######

#              THINGS YOU ALMOST NEVER NEED TO MENTION
#


########################################################################
#######



# The settings in this section are available for use in special
circumstances.

# In the vast majority of installations you need not change anything
below.





#-----------------------------------------------------------------------
-------

# The following commands live in different places in some OS. Either the

# ultimate default settings, or the OS-specific files should already
point to

# the right place, but they can be overridden here if necessary. These
settings

# are used when building various scripts to ensure that the correct
paths are

# used when the scripts are run. They are not used in the Makefile
itself. Perl

# is not necessary for running Exim unless you set EXIM_PERL (see above)
to get

# it embedded, but there are some utilities that are Perl scripts. If
you

# haven't got Perl, Exim will still build and run; you just won't be
able to

# use those utilities.



# CHOWN_COMMAND=/usr/bin/chown

# CHGRP_COMMAND=/usr/bin/chgrp

# MV_COMMAND=/bin/mv

# RM_COMMAND=/bin/rm

# PERL_COMMAND=/usr/bin/perl





#-----------------------------------------------------------------------
-------

# The following macro can be used to change the command for building a
library

# of functions. By default the "ar" command is used, with options "cq".

# Only in rare circumstances should you need to change this.



# AR=ar cq





#-----------------------------------------------------------------------
-------

# In some operating systems, the value of the TMPDIR environment
variable

# controls where temporary files are created. Exim does not make use of

# temporary files, except when delivering to MBX mailboxes. However, if
Exim

# calls any external libraries (e.g. DBM libraries), they may use
temporary

# files, and thus be influenced by the value of TMPDIR. For this reason,
when

# Exim starts, it checks the environment for TMPDIR, and if it finds it
is set,

# it replaces the value with what is defined here. Commenting this
setting

# suppresses the check altogether.



TMPDIR="/tmp"





#-----------------------------------------------------------------------
-------

# The following macros can be used to change the default modes that are
used

# by the appendfile transport. In most installations the defaults are
just

# fine, and in any case, you can change particular instances of the
transport

# at run time if you want.



# APPENDFILE_MODE=0600

# APPENDFILE_DIRECTORY_MODE=0700

# APPENDFILE_LOCKFILE_MODE=0600





#-----------------------------------------------------------------------
-------

# In some installations there may be multiple machines sharing file
systems,

# where a different configuration file is required for Exim on the
different

# machines. If CONFIGURE_FILE_USE_NODE is defined, then Exim will first
look

# for a configuration file whose name is that defined by CONFIGURE_FILE,

# with the node name obtained by uname() tacked on the end, separated by
a

# period (for example, /usr/exim/configure.host.in.some.domain). If this
file

# does not exist, then the bare configuration file name is tried.



# CONFIGURE_FILE_USE_NODE=yes





#-----------------------------------------------------------------------
-------

# In some esoteric configurations two different versions of Exim are
run,

# with different setuid values, and different configuration files are
required

# to handle the different cases. If CONFIGURE_FILE_USE_EUID is defined,
then

# Exim will first look for a configuration file whose name is that
defined

# by CONFIGURE_FILE, with the effective uid tacked on the end, separated
by

# a period (for eximple, /usr/exim/configure.0). If this file does not
exist,

# then the bare configuration file name is tried. In the case when both

# CONFIGURE_FILE_USE_EUID and CONFIGURE_FILE_USE_NODE are set, four
files

# are tried: <name>.<euid>.<node>, <name>.<node>, <name>.<euid>, and
<name>.



# CONFIGURE_FILE_USE_EUID=yes





#-----------------------------------------------------------------------
-------

# The size of the delivery buffers: These specify the sizes (in bytes)
of

# the buffers that are used when copying a message from the spool to a

# destination. There is rarely any need to change these values.



# DELIVER_IN_BUFFER_SIZE=8192

# DELIVER_OUT_BUFFER_SIZE=8192





#-----------------------------------------------------------------------
-------

# The mode of the database directory: Exim creates a directory called
"db"

# in its spool directory, to hold its databases of hints. This variable

# determines the mode of the created directory. The default value in the

# source is 0750.



# EXIMDB_DIRECTORY_MODE=0750





#-----------------------------------------------------------------------
-------

# Database file mode: The mode of files created in the "db" directory
defaults

# to 0640 in the source, and can be changed here.



# EXIMDB_MODE=0640





#-----------------------------------------------------------------------
-------

# Database lock file mode: The mode of zero-length files created in the
"db"

# directory to use for locking purposes defaults to 0640 in the source,
and

# can be changed here.



# EXIMDB_LOCKFILE_MODE=0640





#-----------------------------------------------------------------------
-------

# This parameter sets the maximum length of the header portion of a
message

# that Exim is prepared to process. The default setting is one megabyte.
The

# limit exists in order to catch rogue mailers that might connect to
your SMTP

# port, start off a header line, and then just pump junk at it for ever.
The

# message_size_limit option would also catch this, but it may not be
set.

# The value set here is the default; it can be changed at runtime.



# HEADER_MAXSIZE="(1024*1024)"





#-----------------------------------------------------------------------
-------

# The mode of the input directory: The input directory is where messages
are

# kept while awaiting delivery. Exim creates it if necessary, using a
mode

# which can be defined here (default 0750).



# INPUT_DIRECTORY_MODE=0750





#-----------------------------------------------------------------------
-------

# The mode of Exim's log directory, when it is created by Exim inside
the spool

# directory, defaults to 0750 but can be changed here.



# LOG_DIRECTORY_MODE=0750





#-----------------------------------------------------------------------
-------

# The log files themselves are created as required, with a mode that
defaults

# to 0640, but which can be changed here.



# LOG_MODE=0640





#-----------------------------------------------------------------------
-------

# The TESTDB lookup is for performing tests on the handling of lookup
results,

# and is not useful for general running. It should be included only when

# debugging the code of Exim.



# LOOKUP_TESTDB=yes





#-----------------------------------------------------------------------
-------

# /bin/sh is used by default as the shell in which to run commands that
are

# defined in the makefiles. This can be changed if necessary, by
uncommenting

# this line and specifying another shell, but note that a
Bourne-compatible

# shell is expected.



# MAKE_SHELL=/bin/sh





#-----------------------------------------------------------------------
-------

# The maximum number of named lists of each type (address, domain, host,
and

# local part) can be increased by changing this value. It should be set
to

# a multiple of 16.



# MAX_NAMED_LIST=16





#-----------------------------------------------------------------------
-------

# Network interfaces: Unless you set the local_interfaces option in the
runtime

# configuration file to restrict Exim to certain interfaces only, it
will run

# code to find all the interfaces there are on your host. Unfortunately,

# the call to the OS that does this requires a buffer large enough to
hold

# data for all the interfaces - it was designed in the days when a host
rarely

# had more than three or four interfaces. Nowadays hosts can have very
many

# virtual interfaces running on the same hardware. If you have more than
250

# virtual interfaces, you will need to uncomment this setting and
increase the

# value.



# MAXINTERFACES=250





#-----------------------------------------------------------------------
-------

# Per-message logs: While a message is in the process of being
delivered,

# comments on its progress are written to a message log, for the benefit
of

# human administrators. These logs are held in a directory called
"msglog"

# in the spool directory. Its mode defaults to 0750, but can be changed
here.

# The message log directory is also used for storing files that are used
by

# transports for returning data to a message's sender (see the
"return_output"

# option for transports).



# MSGLOG_DIRECTORY_MODE=0750





#-----------------------------------------------------------------------
-------

# There are three options which are used when compiling the Perl
interface and

# when linking with Perl. The default values for these are placed
automatically

# at the head of the Makefile by the script which builds it. However, if
you

# want to override them, you can do so here.



# PERL_CC=

# PERL_CCOPTS=

# PERL_LIBS=





#-----------------------------------------------------------------------
-------

# Identifying the daemon: When an Exim daemon starts up, it writes its
pid

# (process id) to a file so that it can easily be identified. The path
of the

# file can be specified here. Some installations may want something like
this:



# PID_FILE_PATH=/var/lock/exim.pid



# If PID_FILE_PATH is not defined, Exim writes a file in its spool
directory

# using the name "exim-daemon.pid".



# If you start up a daemon without the -bd option (for example, with
just

# the -q15m option), a pid file is not written. Also, if you override
the

# configuration file with the -oX option, no pid file is written. In
other

# words, the pid file is written only for a "standard" daemon.





#-----------------------------------------------------------------------
-------

# If Exim creates the spool directory, it is given this mode, defaulting
in the

# source to 0750.



# SPOOL_DIRECTORY_MODE=0750





#-----------------------------------------------------------------------
-------

# The mode of files on the input spool which hold the contents of
messages can

# be changed here. The default is 0640 so that information from the
spool is

# available to anyone who is a member of the Exim group.



# SPOOL_MODE=0640





#-----------------------------------------------------------------------
-------

# Moving frozen messages: If the following is uncommented, Exim is
compiled

# with support for automatically moving frozen messages out of the main
spool

# directory, a facility that is found useful by some large
installations. A

# run time option is required to cause the moving actually to occur.
Such

# messages become "invisible" to the normal management tools.



# SUPPORT_MOVE_FROZEN_MESSAGES=yes



# End of EDITME for Exim 4.