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请教局域网内使用exim的问题。

系统是Debian/sid.
现在有两台机器，一台是proxy.sczfcpa.com，装了exim4，一台是
bdc.sczfcpa.com，装了postfix。
现在我在bdc上用
mail gaochao@proxy.sczfcpa.com，可以在proxy上收到邮件。
但是在proxy上用
mail gaochao@bdc.sczfcpa.com
却出错，在/var/mail/mail里面可以看到错误信息为：

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

gaochao@bdc.sczfcpa.com
Unrouteable address

在 /var/log/exim4/mainlog里面的信息是：
2004-02-23 10:49:59 1Av6AR-00061o-EX <= root@sczfcpa.com U=root P=local
S=311
2004-02-23 10:49:59 1Av6AR-00061o-EX ** gaochao@bdc.sczfcpa.com:
Unrouteable add
ress

我对邮件系统不了解，exim4配置的时候选项是将配置文件分割成小的文件，但是
在exim4启动的时候将这些配置文件重新组合了一下的，因为我在
/var/lib/exim4/ 下面发现有一个 config.autogenerated 的文件。

我的 /var/lib/exim4/config.autogenerated的文件在附件中：




#########
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# this file is generated dynamically from the files in
# CONFDIR/conf.d/ or /etc/exim4/exim4.conf.template respectively and
# /etc/exim4/update-exim4.conf.conf
# Any changes you make here will be lost.
# See /usr/share/doc/exim4-base/README.Debian.gz and update-exim4.conf(8)
# for instructions of customization.
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# WARNING WARNING WARNING
# WARNING WARNING WARNING
#########

exim_path = /usr/sbin/exim4

CONFDIR = /etc/exim4

MESSAGE_SIZE_LIMIT = 10M

domainlist local_domains = @:sczfcpa.com:localhost:test.com

domainlist relay_to_domains = sczfcpa.com

hostlist relay_from_hosts = 127.0.0.1 : ::::1 : 192.168.0.0/24

qualify_domain = sczfcpa.com

DCreadhost = 

DCsmarthost = smtp.sina.com.cn

local_interfaces = 192.168.0.1

LOCAL_DELIVERY=mail_spool

gecos_pattern = ^([^,:]*)
gecos_name = $1

DCconfig_internet = 1

acl_smtp_rcpt = acl_check_rcpt

acl_smtp_data = acl_check_data

.ifndef DC_minimaldns
host_lookup = *
.endif

rfc1413_hosts = *
rfc1413_query_timeout = 30s

ignore_bounce_errors_after = 2d

timeout_frozen_after = 7d

freeze_tell = postmaster

.ifndef SPOOLDIR
SPOOLDIR = /var/spool/exim4
.endif
spool_directory = SPOOLDIR

trusted_users = uucp

begin acl

acl_whitelist_local_deny:
  accept hosts = ${if exists{CONFDIR/local_host_whitelist}\
                        {CONFDIR/local_host_whitelist}\
                        {}}
  accept senders = ${if exists{CONFDIR/local_sender_whitelist}\
                        {CONFDIR/local_sender_whitelist}\
                        {}}

acl_check_rcpt:
  accept hosts = :

  deny local_parts = ^.*[@%!/|] : ^\\.

  accept local_parts = postmaster
         domains = +local_domains

  deny message = sender envelope address $sender_address is locally blacklisted here. If you think this is wrong, get in touch with postmaster
       !acl = acl_whitelist_local_deny
       senders = ${if exists{CONFDIR/local_sender_blacklist}\
                             {CONFDIR/local_sender_blacklist}\
                             {}}

  deny message = sender IP address $sender_host_address is locally blacklisted here. If you think this is wrong, get in touch with postmaster
       !acl = acl_whitelist_local_deny
       hosts = ${if exists{CONFDIR/local_host_blacklist}\
                             {CONFDIR/local_host_blacklist}\
                             {}}

  accept domains = +local_domains
         endpass
         message = unknown user
         verify = recipient

  accept domains = +relay_to_domains
         endpass
         message = unrouteable address edit by gc
         verify = recipient

  accept hosts = +relay_from_hosts

  accept authenticated = *

  deny message = relay not permitted

acl_check_data:

   accept

begin routers

.ifdef DCconfig_internet

dnslookup_relay_to_domains:
  driver = dnslookup
  domains = ! +local_domains : +relay_to_domains
  transport = remote_smtp
  same_domain_copy_routing = yes
  no_more

dnslookup:
  driver = dnslookup
  domains = ! +local_domains
  transport = remote_smtp
  same_domain_copy_routing = yes
  ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
                        172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16
  no_more

.endif

.ifdef DCconfig_local
nonlocal:
  driver = redirect
  allow_fail
  data = :fail: Mailing to remote domains not supported
  no_more
  domains = ! +local_domains

.endif

.ifdef DCconfig_smarthost DCconfig_satellite
smarthost:
  driver = manualroute
  domains = ! +local_domains
  transport = remote_smtp
  route_list = * DCsmarthost
  host_find_failed = defer
  same_domain_copy_routing = yes
  no_more

.endif

real_local:
  debug_print = "R: real_local for $local_part@$domain"
  driver = accept
  local_part_prefix = real-
  check_local_user
  transport = LOCAL_DELIVERY

system_aliases:
  debug_print = "R: system_aliases for $local_part@$domain"
  driver = redirect
  allow_fail
  allow_defer
  data = ${lookup{$local_part}lsearch{/etc/aliases}}
  file_transport = address_file

.ifdef DCconfig_satellite
hub_user:
  debug_print = "R: hub_user for $local_part@$domain"
  driver = redirect
  data = ${local_part}@DCreadhost
  check_local_user

.endif

userforward:
  debug_print = "R: userforward for $local_part@$domain"
  driver = redirect
  check_local_user
  file = $home/.forward
  no_verify
  no_expn
  check_ancestor
  allow_filter
  directory_transport = address_directory
  file_transport = address_file
  pipe_transport = address_pipe
  reply_transport = address_reply
  skip_syntax_errors
  syntax_errors_to = real-$local_part@$domain
  syntax_errors_text = \
    This is an automatically generated message. An error has\n\
    been found in your .forward file. Details of the error are\n\
    reported below. While this error persists, you will receive\n\
    a copy of this message for every message that is addressed\n\
    to you. If your .forward file is a filter file, or if it is\n\
    a non-filter file containing no valid forwarding addresses,\n\
    a copy of each incoming message will be put in your normal\n\
    mailbox. If a non-filter file contains at least one valid\n\
    forwarding address, forwarding to the valid addresses will\n\
    happen, and those will be the only deliveries that occur.

procmail:
  debug_print = "R: procmail for $local_part@$domain"
  driver = accept
  check_local_user
  transport = procmail_pipe
  require_files = ${local_part}:${home}/.procmailrc:+/usr/bin/procmail
  no_verify
  no_expn

maildrop:
  debug_print = "R: maildrop for $local_part@$domain"
  driver = accept
  check_local_user
  transport = maildrop_pipe
  require_files = ${local_part}:${home}/.mailfilter:+/usr/bin/maildrop
  no_verify
  no_expn

local_user:
  debug_print = "R: local_user for $local_part@$domain"
  driver = accept
  check_local_user
  local_parts = ! root
  transport = LOCAL_DELIVERY

mail4root:
  debug_print = "R: mail4root for $local_part@$domain"
  driver = redirect
  data = /var/mail/mail
  file_transport = address_file
  local_parts = root
  user = mail
  group = mail

begin transports

address_file:
  debug_print = "T: address_file for $local_part@$domain"
  driver = appendfile
  delivery_date_add
  envelope_to_add
  return_path_add

address_pipe:
  debug_print = "T: address_pipe for $local_part@$domain"
  driver = pipe
  return_fail_output

address_reply:
  debug_print = "T: autoreply for $local_part@$domain"
  driver = autoreply

mail_spool:
  debug_print = "T: appendfile for $local_part@$domain"
  driver = appendfile
  file = /var/mail/$local_part
  delivery_date_add
  envelope_to_add
  return_path_add
  group = mail
  mode = 0660
  mode_fail_narrower = false

maildir_home:
  debug_print = "T: maildir_home for $local_part@$domain"
  driver = appendfile
  directory = $home/Maildir
  delivery_date_add
  envelope_to_add
  return_path_add
  maildir_format
  mode = 0600
  mode_fail_narrower = false

maildrop_pipe:
  debug_print = "T: maildrop_pipe for $local_part@$domain"
  driver = pipe
  path = "/bin:/usr/bin:/usr/local/bin"
  command = "/usr/bin/maildrop"
  return_path_add
  delivery_date_add
  envelope_to_add

procmail_pipe:
  debug_print = "T: procmail_pipe for $local_part@$domain"
  driver = pipe
  path = "/bin:/usr/bin:/usr/local/bin"
  command = "/usr/bin/procmail"
  return_path_add
  delivery_date_add
  envelope_to_add

remote_smtp:
  debug_print = "T: remote_smtp for $local_part@$domain"
  driver = smtp
hosts_try_auth = DCsmarthost

address_directory:
  debug_print = "T: address_directory for $local_part@$domain"
  driver = appendfile
  envelope_to_add = true
  return_path_add = true
  check_string = ""
  escape_string = ""
  maildir_format

begin retry

*                      *           F,2h,15m; G,16h,1h,1.5; F,4d,6h

begin rewrite

*@+local_domains ${lookup{${local_part}}lsearch{/etc/email-addresses}\
                   {$value}fail} Ffrs

*@+local_domains "${if exists {CONFDIR/email-addresses}\
                    {${lookup{${local_part}}lsearch{CONFDIR/email-addresses}\
		    {$value}fail}}fail}" Ffrs

.ifdef DCconfig_satellite
*@+local_domains ${local_part}@DCreadhost Ffr
.endif

begin authenticators

cram_md5:
  driver = cram_md5
  public_name = CRAM-MD5
  client_name = ${extract{1}{:}{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}
  client_secret = ${extract{2}{:}{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}

plain:
  driver = plaintext
  public_name = PLAIN
  client_send = "${if !eq{$tls_cipher}{}{\
                     ^${extract{1}{::}\
		       {${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}\
		     ^${extract{2}{::}\
		       {${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}\
		   }fail}"

login:
  driver = plaintext
  public_name = LOGIN
  client_send = ": ${extract{1}{::}{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}} : ${extract{2}{::}{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}"
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