Re: [exim] Re: How can I tell if my server is getting bombar…

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Autor: Tommy Butler
Data:  
A: exim-users
CC: Wakko Warner, John W. Baxter
Assumpte: Re: [exim] Re: How can I tell if my server is getting bombardedwith spam?
Wakko Warner wrote:
[snip]

>Anyway, I still do not grasp exactly what you're trying to accomplish. Who
>do you need to relay for? Are they outside your lan as well as inside? Do
>you host other domains? Are you a backup mx for other domains?
>
>

I don't need to relay for anybody.

>If you can post your exim.conf file (w/o comments), I or someone else might
>beable to figure out the problem.
>

My config file without comments:

#########
# 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

domainlist local_domains =
@:cityairlines.net:localhost:cityairlines.net:casino-airlines.com:casinoairlines.net

domainlist relay_to_domains = *

hostlist relay_from_hosts = 127.0.0.1 : ::::1 :

qualify_domain = cityairlines.net

.ifndef DCreadhost
DCreadhost =
.endif

.ifndef DCsmarthost
DCsmarthost =
.endif

local_interfaces = 127.0.0.1:206.123.72.157

LOCAL_DELIVERY=maildir_home

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

DCconfig_internet = 1

acl_smtp_rcpt = acl_check_rcpt

acl_smtp_data = acl_check_data

.ifdef MESSAGE_SIZE_LIMIT
message_size_limit = MESSAGE_SIZE_LIMIT
.endif

.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

log_selector = +tls_cipher +tls_peerdn

tls_advertise_hosts = *

tls_certificate = /etc/ssl/certs/smtp.pem

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    domains       = +local_domains
          local_parts   = ^[.] : ^.*[@%!/|]
          message       = restricted characters in address


  deny    domains       = !+local_domains
          local_parts   = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
          message       = restricted characters in address


  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
         verify = recipient


accept hosts = +relay_from_hosts

accept authenticated = *

deny message = relay not permitted

acl_check_data:
   warn condition = ${if !def:h_Message-ID: {1}}
        hosts = +relay_from_hosts
        message = Message-ID: <E$message_id@$primary_hostname>


accept

begin routers

hubbed_hosts:
  debug_print = "R: hubbed_hosts for $domain"
  driver = manualroute
  domains = "${if exists{CONFDIR/hubbed_hosts}\
                   {partial-lsearch;CONFDIR/hubbed_hosts}\
              fail}"
  route_data = ${lookup{$domain}partial-lsearch{CONFDIR/hubbed_hosts}}
  transport = remote_smtp


.ifdef DCconfig_internet

dnslookup_relay_to_domains:
debug_print = "R: dnslookup_relay_to_domains for $local_part@$domain"
driver = dnslookup
domains = ! +local_domains : +relay_to_domains
transport = remote_smtp
same_domain_copy_routing = yes
no_more

dnslookup:
  debug_print = "R: dnslookup for $local_part@$domain"
  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:
debug_print = "R: nonlocal for $local_part@$domain"
driver = redirect
domains = ! +local_domains
allow_fail
data = :fail: Mailing to remote domains not supported
no_more

.endif

.ifdef DCconfig_smarthost DCconfig_satellite

smarthost:
debug_print = "R: smarthost for $local_part@$domain"
driver = manualroute
domains = ! +local_domains
transport = remote_smtp_smarthost
route_list = * DCsmarthost byname
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
domains = +local_domains
local_part_prefix = real-
check_local_user
transport = LOCAL_DELIVERY

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}}
file_transport = address_file

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

.endif

userforward:
  debug_print = "R: userforward for $local_part@$domain"
  driver = redirect
  domains = +local_domains
  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
  domains = +local_domains
  check_local_user
  transport = procmail_pipe
  require_files = ${local_part}:\
                  ${if exists{/etc/procmailrc}\
                    {/etc/procmailrc}{${home}/.procmailrc}}:\
                  +/usr/bin/procmail
  no_verify
  no_expn


maildrop:
debug_print = "R: maildrop for $local_part@$domain"
driver = accept
domains = +local_domains
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
domains = +local_domains
check_local_user
local_parts = ! root
transport = LOCAL_DELIVERY

mail4root:
debug_print = "R: mail4root for $local_part@$domain"
driver = redirect
domains = +local_domains
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

remote_smtp_smarthost:
debug_print = "T: remote_smtp_smarthost for $local_part@$domain"
driver = smtp
hosts_try_auth = ${if exists {CONFDIR/passwd.client}{DCsmarthost}{}}
tls_tempfail_tryclear = false



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


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 = "${if !eq{$tls_cipher}{}{}fail}\
                 : ${extract{1}{::}\


{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}} \
         : ${extract{2}{::}\
             {${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}"




--
Tommy Butler
tommy@??? <mailto:tommy@atrixnet.com>



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