Re: [exim] Routing for aliases

Tue, 19 Jan 2021 00:59:43 -0800 

On 19 Jan 2021, at 9:46, Odhiambo Washington wrote:
On Tue, 19 Jan 2021 at 11:40, Niels Kobschätzki <[email protected]> 
wrote:


On 19 Jan 2021, at 9:36, Odhiambo Washington wrote:


On Tue, 19 Jan 2021 at 11:31, Niels Kobschätzki via Exim-users <
[email protected]> wrote:


Hi,

I have the following case: I have users who have their mail-address
aliased to an external address. The moment a router resolves the
alias
it doesn’t go again for the new target address through all routers 
but
jumps directly the router to my dnslookup-router which is used for
external mails and sends it out. Any idea how I get the mail through 
the
whole router-loop again?



A matching route was found and the mail routed correctly.
Maybe you want to re-order your routers - because routers are
processed "in
order"...


But there are several routers before the dnslookup-router and the
debug-output does not indicate that they are checked before.

Best,

Niels




Is that so? Can we see the routers?


Sure

begin routers

filtering_secondary:
  driver = manualroute
  transport = remote_smtp
domains = partial-lsearch,ret=key;/usr/local/etc/exim/conf/secondary_filter_domains 
  headers_remove = Subject
  headers_add = ${if and { \
                        {>={$h_X-VISP-Spam-Score-Int:}{50}} \
                        {match_domain{$domain}{+tag_domains}} \
                }{Subject: ***SPAM*** $h_Subject:}{Subject: $rh_Subject:}}
route_list = $domain ${lookup{$domain}lsearch{/usr/local/etc/exim/conf/secondary_filter_domains}} 

exchange_internal_delivery:
  driver = manualroute
  domains = exchange.local
  transport = remote_smtp
  route_list = * exchange.de.inter.net

mailshield_resubmit:
  driver = manualroute
  transport = remote_smtp
  condition = ${if eq {$received_protocol}{mailshield}{1}{0}}
headers_add = ${lookup ldap{LDAP_AUTH ldap:///LDAP_USER_DN?savFilter?sub?(mail=${quote_ldap:$local_part@$domain})}{X-VISP-ShouldScan: $value}{X-VISP-ShouldScan: 0}} 
  route_list = * mailshield1.domain.tld:mailshield2.domain.tld
  hosts_randomize = true

virtual_spambox:
  driver = manualroute
  transport = spam_virtual_delivery
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
  condition = ${if eq {$received_protocol}{spamdeliver}{1}{0}}
address_data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_USER_DN?mail?sub?(mail=${quote_ldap:$local_part_data@$domain_data})}{$value}fail} 
  route_list = *
  no_more
.ifdef SRS

srs_reply_router:
  driver = redirect
  senders = *@+local_domains
  srs = reverseandforward
  data = ${srs_recipient}
  allow_fail
  allow_defer

.endif

.ifdef MAILOUT

massmail_mailout:
   driver = manualroute
   transport = remote_smtp
   senders = nwildlsearch;/usr/local/etc/exim/conf/ratelimit_whitelist
   domains = !+local_domains
   route_list = * mmout1.domain.tld:mmout2.domain.tld

.endif

dynamic_reroute:
   driver = manualroute
   transport = remote_smtp
   domains = dsearch,ret=key;//usr/local/etc/exim/redirects
route_list = * ${readfile{/usr/local/etc/exim/redirects/$domain_data}{}} 

.ifdef SRS
dnslookup_srs:
  driver = redirect
  domains = ! +local_domains : ! +no_srs_domains
  senders = ! : ! *@+local_domains
  srs = forward
  srs_alias = srs.snafu.de
  data = ${quote_local_part:$local_part}@$domain
  allow_fail
  allow_defer
  redirect_router = dnslookup

.endif

dnslookup:
  driver = dnslookup
  domains = ! +local_domains
  transport = remote_smtp
.ifdef SRS
  dnssec_request_domains = *
.endif
  mx_fail_domains = googlemail.de
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 : 10.0.0.0/8 : 172.16.0.0/12 : other_ips_from_my_ip_range 
  no_more


.ifdef SRS

virtual_aliases_nowild_srs:
  driver = redirect
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
  senders = ! : ! *@+local_domains
  srs = forward
srs_condition = ${if match_domain{${domain:${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:$local_part_data@$domain_data})}{$value}fail}}}{+no_srs_domains}{0}{1}} data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:$local_part_data@$domain_data})}{$value}fail} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002
  redirect_router = dnslookup

virtual_aliases_nowild:
  driver = redirect
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:$local_part@$domain_data})}{$value}fail} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002
  redirect_router = dnslookup

.else

virtual_aliases_nowild:
  driver = redirect
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:$local_part_data@$domain_data})}{$value}fail} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002

.endif

virtual_aliases_file:
  driver = redirect
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
condition = ${if exists {/usr/local/etc/exim/conf/aliases/$domain_data}{1}{0}} data = ${lookup{$local_part}lsearch{/usr/local/etc/exim/conf/aliases/$domain_data}} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002
LDAP_MAILBOX = ${lookup ldap{LDAP_AUTH ldap:///LDAP_USER_DN?mailbox?sub?(mail=${quote_ldap:$local_part@$domain})}{$value}{/}} 

virtual_userfilter:
  driver = redirect
  domains = lsearch;VIRTUAL_DOMAINS_FILE
  no_check_local_user
  no_verify
  no_expn
  router_home_directory = LDAP_MAILBOX
  transport_home_directory = LDAP_MAILBOX
  require_files = exim:${home}/.exim_filter
  file = ${home}/.exim_filter
  check_ancestor
  allow_filter
  file_transport = address_file
  pipe_transport = address_pipe
  reply_transport = address_reply
  directory_transport = address_directory
  modemask = 002
  user = pop
  group = exim


virtual_localuser:
  driver = accept
  transport = local_virtual_delivery
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
  require_files = pop:+${home}
address_data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_USER_DN?mail?sub?(mail=${quote_ldap:$local_part@$domain})}{$value}fail} 
  transport_home_directory = LDAP_MAILBOX
  router_home_directory = LDAP_MAILBOX

virtual_localuser_folder:
  driver = accept
  transport = local_virtualfolder_delivery
  domains = lsearch,ret=key;VIRTUAL_DOMAINS_FILE
  caseful_local_part = true
  local_part_suffix = /*
  require_files = pop:+${home}
address_data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_USER_DN?mail?sub?(mail=${quote_ldap:$local_part@$domain_data})}{$value}fail} transport_home_directory = LDAP_MAILBOX/.${tr{${substr_1:$local_part_suffix}}{.}{:}} router_home_directory = LDAP_MAILBOX/.${tr{${substr_1:$local_part_suffix}}{.}{:}} 

.ifdef SRS

virtual_aliases_wildcard_srs:
  driver = redirect
  domains = lsearch,ret=aliasfile;VIRTUAL_DOMAINS_FILE
  senders = ! : ! *@+local_domains
  srs = forward
srs_condition = ${if match_domain{${domain:${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:$local_part@$domain})}{$value}fail}}}{+no_srs_domains}{0}{1}} 
  condition = ${extract{aliasfile} {$domain_data}}
data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:all.all@$domain})}{$value}fail} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002
  redirect_router = dnslookup

virtual_aliases_wildcard:
  driver = redirect
  domains = lsearch,ret=aliasfile;VIRTUAL_DOMAINS_FILE
  condition = ${extract{aliasfile} {$domain_data}}
data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:all.all@$domain})}{$value}fail} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002
  redirect_router = dnslookup

.else

virtual_aliases_wildcard:
  driver = redirect
  domains = lsearch,ret=aliasfile;VIRTUAL_DOMAINS_FILE
  condition = ${extract{aliasfile} {$domain_data}}
data = ${lookup ldap{LDAP_AUTH ldap:///LDAP_ALIAS_DN?mailDestinationAddress?sub?(mail=${quote_ldap:all.all@$domain})}{$value}fail} 
  allow_fail
  allow_defer
  file_transport = address_file
  pipe_transport = address_pipe
  modemask = 002

.endif


system_aliases_file:
  driver = redirect
domains = partial-lsearch,ret=key;/usr/local/etc/exim/conf/local_domains condition = ${if exists {/usr/local/etc/exim/conf/aliases/$domain_data}{1}{0}} 
  allow_fail
  allow_defer
data = ${lookup{$local_part}lsearch,ret=key{/usr/local/etc/exim/conf/aliases/$domain_data}} 
  user = pop
  group = exim
  file_transport = address_file
  pipe_transport = address_pipe

system_aliases:
  driver = redirect
domains = partial-lsearch,ret=key;/usr/local/etc/exim/conf/local_domains 
  allow_fail
  allow_defer
data = ${lookup{$local_part}lsearch,ret=key{/usr/local/etc/exim/conf/local_aliases}} 
  user = pop
  group = exim
  file_transport = address_file
  pipe_transport = address_pipe

userforward:
  driver = redirect
  check_local_user
domains = partial-lsearch,ret=key;/usr/local/etc/exim/conf/local_domains 
  file = $home/.forward
  no_verify
  no_expn
  check_ancestor
  file_transport = address_file
  pipe_transport = address_pipe
  reply_transport = address_reply

localuser:
  driver = accept
  check_local_user
domains = partial-lsearch,ret=key;/usr/local/etc/exim/conf/local_domains transport = ${if eq {${extract{maildir} {${domain}}}} {yes} {local_delivery_maildir} {local_delivery}} 
  cannot_route_message = Unknown user


Niels


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