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Hi,
I use Exim 4.22 and try to send mails to users not hosted on my server. The
problem is that I can send mails to local users also authentication seems to
work fine but when I send a email to someone not on my server the message is
frozen.
When I look in the mainlog I see error messages like this one :
2003-09-04 10:01:16 19up3K-00018R-VQ == hans-peter.richter@???
<Hans-Peter.Richter@???> R=dnslookup T=remote_smtp defer
(-1): smtp transport process returned non-zero status 0x000b: terminated by
signal 11
2003-09-04 10:01:16 19up3K-00018R-VQ Frozen
I used exim_tidydb to clean the db files I even erased them and tried it
again without any luck.
I attach my config and really do hope someone can help me. Thank you.
######################################################################
# Runtime configuration file for Exim #
######################################################################
exim_user = root
########### IMPORTANT ########## IMPORTANT ########### IMPORTANT ###########
# #
# Whenever you change Exim's configuration file, you *must* remember to #
# HUP the Exim daemon, because it will not pick up the new configuration #
# until you do. However, any other Exim processes that are started, for #
# example, a process started by an MUA in order to send a message, will #
# see the new configuration as soon as it is in place. #
# #
# You do not need to HUP the daemon for changes in auxiliary files that #
# are referenced from this file. They are read every time they are used. #
# #
# It is usually a good idea to test a new configuration for syntactic #
# correctness before installing it (for example, by running the command #
# "exim -C /config/file.new -bV"). #
# #
########### IMPORTANT ########## IMPORTANT ########### IMPORTANT ###########
######################################################################
# MAIN CONFIGURATION SETTINGS #
######################################################################
# Specify your host's canonical name here. This should normally be the fully
# qualified "official" name of your host. If this option is not set, the
# uname() function is called to obtain the name. In many cases this does
# the right thing and you need not set anything explicitly.
# primary_hostname =
# The next three settings create two lists of domains and one list of hosts.
# These lists are referred to later in this configuration using the syntax
# +local_domains, +relay_to_domains, and +relay_from_hosts, respectively.
They
# are all colon-separated lists:
domainlist local_domains = lsearch;/etc/exim/localdomains
domainlist relay_to_domains = lsearch;/etc/exim/localdomains
hostlist relay_from_hosts = 127.0.0.1
auth_advertise_hosts = *
acl_smtp_rcpt = acl_check_rcpt
acl_smtp_data = acl_check_content
# No deliveries will ever be run under the uids of these users (a colon-
# separated list). An attempt to do so causes a panic error to be logged,
and
# the delivery to be deferred. This is a paranoic safety catch. Note that
the
# default setting means you cannot deliver mail addressed to root as if it
# were a normal user. This isn't usually a problem, as most sites have an
alias
# for root that redirects such mail to a human administrator.
never_users = root
# The setting below causes Exim to do a reverse DNS lookup on all incoming
# IP calls, in order to get the true host name. If you feel this is too
# expensive, you can specify the networks for which a lookup is done, or
# remove the setting entirely.
host_lookup = *
# The settings below, which are actually the same as the defaults in the
# code, cause Exim to make RFC 1413 (ident) callbacks for all incoming SMTP
# calls. You can limit the hosts to which these calls are made, and/or
change
# the timeout that is used. If you set the timeout to zero, all RFC 1413
calls
# are disabled. RFC 1413 calls are cheap and can provide useful information
# for tracing problem messages, but some hosts and firewalls have problems
# with them. This can result in a timeout instead of an immediate refused
# connection, leading to delays on starting up an SMTP session.
rfc1413_hosts = *
rfc1413_query_timeout = 10s
# This option unfreezes frozen bounce messages after two days, tries
# once more to deliver them, and ignores any delivery failures.
ignore_bounce_errors_after = 2d
# This option cancels (removes) frozen messages that are older than a week.
timeout_frozen_after = 7d
######################################################################
# ACL CONFIGURATION #
# Specifies access control lists for incoming SMTP mail #
######################################################################
begin acl
# This access control list is used for every RCPT command in an incoming
# SMTP message. The tests are run in order until the address is either
# accepted or denied.
acl_check_rcpt:
# Accept if the source is local SMTP (i.e. not over TCP/IP). We do this by
# testing for an empty sending host field.
accept hosts = :
# Deny if the local part contains @ or % or / or | or !. These are rarely
# found in genuine local parts, but are often tried by people looking to
# circumvent relaying restrictions.
# Also deny if the local part starts with a dot. Empty components aren't
# strictly legal in RFC 2822, but Exim allows them because this is common.
# However, actually starting with a dot may cause trouble if the local
part
# is used as a file name (e.g. for a mailing list).
deny local_parts = ^.*[@%!/|] : ^\\.
# Accept mail to postmaster in any local domain, regardless of the source,
# and without verifying the sender.
accept local_parts = postmaster
domains = +local_domains
# Deny unless the sender address can be verified.
require verify = sender
############################################################################
#
# There are no checks on DNS "black" lists because the domains that
contain
# these lists are changing all the time. However, here are two examples of
# how you could get Exim to perform a DNS black list lookup at this point.
# The first one denies, while the second just warns.
#
# deny message = rejected because $sender_host_address is in a
black list at $dnslist_domain\n$dnslist_text
# dnslists = black.list.example
#
# warn message = X-Warning: $sender_host_address is in a black
list at $dnslist_domain
# log_message = found in $dnslist_domain
# dnslists = black.list.example
############################################################################
#
# Accept if the address is in a local domain, but only if the recipient
can
# be verified. Otherwise deny. The "endpass" line is the border between
# passing on to the next ACL statement (if tests above it fail) or denying
# access (if tests below it fail).
accept domains = +local_domains
endpass
message = unknown user
verify = recipient
# Accept if the address is in a domain for which we are relaying, but
again,
# only if the recipient can be verified.
accept domains = +relay_to_domains
endpass
message = unrouteable address
verify = recipient
# If control reaches this point, the domain is neither in +local_domains
# nor in +relay_to_domains.
# Accept if the message comes from one of the hosts for which we are an
# outgoing relay. Recipient verification is omitted here, because in many
# cases the clients are dumb MUAs that don't cope well with SMTP error
# responses. If you are actually relaying out from MTAs, you should
probably
# add recipient verification here.
accept hosts = +relay_from_hosts
accept authenticated = *
# Reaching the end of the ACL causes a "deny", but we might as well give
# an explicit message.
deny message = relay not permitted
acl_check_content:
# First unpack MIME containers and reject serious errors.
deny message = This message contains a MIME error ($demime_reason)
demime = *
condition = ${if >{$demime_errorlevel}{2}{1}{0}}
deny message = This message contains an unwanted file extension
($found_extension)
demime = scr:vbs:bat:lnk:pif
# finally accept all the rest
accept
######################################################################
# ROUTERS CONFIGURATION #
# Specifies how addresses are handled #
######################################################################
# THE ORDER IN WHICH THE ROUTERS ARE DEFINED IS IMPORTANT! #
# An address is passed to each router in turn until it is accepted. #
######################################################################
begin routers
dnslookup:
driver = dnslookup
domains = ! +local_domains
transport = remote_smtp
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
no_more
system_aliases:
driver = redirect
allow_fail
allow_defer
data = ${lookup{$local_part@$domain}lsearch{/etc/exim/aliases}}
user = mail
file_transport = address_file
pipe_transport = address_pipe
system_aliases2:
driver = redirect
allow_fail
allow_defer
data = ${lookup{*@$domain}lsearch{/etc/exim/aliases}}
user = mail
file_transport = address_file
pipe_transport = address_pipe
userforward:
driver = redirect
check_local_user
file = $home/.forward
no_verify
no_expn
check_ancestor
file_transport = address_file
pipe_transport = address_pipe
reply_transport = address_reply
virtual_localuser:
driver = accept
domains = dsearch;/etc/exim/virtual
local_parts = lsearch;/etc/exim/virtual/$domain/users
transport = virtual_localdelivery
no_more
virtual_alias:
driver = redirect
allow_fail
allow_defer
domains = dsearch;/etc/exim/virtual
data = ${lookup{$local_part}lsearch{/etc/exim/virtual/$domain/aliases}}
user = mail
file_transport = address_file
pipe_transport = address_pipe
no_more
# This router matches local user mailboxes.
localuser:
driver = accept
check_local_user
transport = local_delivery
######################################################################
# TRANSPORTS CONFIGURATION #
######################################################################
# ORDER DOES NOT MATTER #
# Only one appropriate transport is called for each delivery. #
######################################################################
# A transport is used only when referenced from a router that successfully
# handles an address.
begin transports
# This transport is used for delivering messages over SMTP connections.
remote_smtp:
driver = smtp
user = mail
# This transport is used for local delivery to user mailboxes in traditional
# BSD mailbox format. By default it will be run under the uid and gid of the
# local user, and requires the sticky bit to be set on the /var/mail
directory.
# Some systems use the alternative approach of running mail deliveries under
a
# particular group instead of using the sticky bit. The commented options
below
# show how this can be done.
local_delivery:
driver = appendfile
file = /var/mail/$local_part
delivery_date_add
envelope_to_add
return_path_add
# group = mail
# mode = 0660
# This transport is used for handling pipe deliveries generated by alias or
# .forward files. 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 of return_output if you want this to happen only when the pipe
fails
# to complete normally. You can set different transports for aliases and
# forwards if you want to - see the references to address_pipe in the
routers
# section above.
address_pipe:
driver = pipe
return_output
# This transport is used for handling deliveries directly to files that are
# generated by aliasing or forwarding.
address_file:
driver = appendfile
delivery_date_add
envelope_to_add
return_path_add
# This transport is used for handling autoreplies generated by the filtering
# option of the userforward router.
address_reply:
driver = autoreply
virtual_localdelivery:
driver = appendfile
create_directory = true
directory_mode = 700
#directory=/var/spool/mail/virtual/${domain}/${local_part}
file = /var/spool/mail/virtual/${domain}/${local_part}
delivery_date_add
envelope_to_add
return_path_add
user = mail
group = mail
mode = 660
#maildir_format
######################################################################
# RETRY CONFIGURATION #
######################################################################
begin retry
# 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 1 hour and increasing each time by a factor of 1.5, up to 16
# hours, then retries every 6 hours until 4 days have passed since the first
# failed delivery.
# Domain Error Retries
# ------ ----- -------
* * F,2h,15m; G,16h,1h,1.5; F,4d,6h
######################################################################
# REWRITE CONFIGURATION #
######################################################################
# There are no rewriting specifications in this default configuration file.
begin rewrite
######################################################################
# AUTHENTICATION CONFIGURATION #
######################################################################
# There are no authenticator specifications in this default configuration
file.
begin authenticators
plain:
driver = plaintext
public_name = PLAIN
server_condition = "${if
crypteq{$2}{${extract{1}{:}{${lookup{$1}lsearch{/etc/exim/passwd}{$value}{*:
*}}}}}{1}{0}}"
server_set_id = $1
login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"
server_condition = "${if
crypteq{$2}{${extract{1}{:}{${lookup{$1}lsearch{/etc/exim/passwd}{$value}{*:
*}}}}}{1}{0}}"
server_set_id = $1
######################################################################
# CONFIGURATION FOR local_scan() #
######################################################################
# If you have built Exim to include a local_scan() function that contains
# tables for private options, you can define those options here. Remember to
# uncomment the "begin" line. It is commented by default because it provokes
# an error with Exim binaries that are not built with LOCAL_SCAN_HAS_OPTIONS
# set in the Local/Makefile.
# begin local_scan
# End of Exim configuration file
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