[exim] Routers question

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Autor: Phill Harvey-Smith
Data:  
A: exim-users
Assumpte: [exim] Routers question
Ok, this is the comment removed version of my current routers file :-

mysql_alias:
         driver = redirect
         data = ${lookup mysql{select alias from alias where 
address='$local_part@$domain'}}
         allow_fail
         allow_defer
         file_transport = address_file
         pipe_transport = address_pipe


# bio maintained maillists to get round ITS exchange restriction.

mysql_maillist_alias:
         driver = redirect
         data = ${lookup mysql{select listmembers from 
personel.maillists where listname='$local_part'}}
         allow_fail
         allow_defer
         file_transport = address_file
         pipe_transport = address_pipe



#Route directly mail to user@??? to 
template.bio.warwick.ac.uk,
#Ignore MX !!!! 24/04/2002 PHS.
#this *IS* still required even though we have control of MX now, otherwise
#exim tries to relay bio mail to itself.....
# all mail for bio.warwick.ac.uk get sent to host at end....
# unless it has been sent elsewhere by the alias driver above.
#
# Cell/Mercury retired as of 2007-10-09
#
send_to_cell:
    driver = manualroute
      transport = remote_smtp    
    route_list = bio.warwick.ac.uk template.bio.warwick.ac.uk    


send_to_matterhorn:
    driver = manualroute
    transport = remote_smtp
    route_list = matterhorn.bio.warwick.ac.uk matterhorn.bio.warwick.ac.uk


send_to_oikos:    
    driver = manualroute     
    transport = remote_smtp    
    route_list = oikos.warwick.ac.uk thunnus.bio.warwick.ac.uk


send_to_globin:    
    driver = manualroute     
    transport = remote_smtp
    route_list = globin.bio.warwick.ac.uk globin.bio.warwick.ac.uk



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}lsearch{/etc/aliases}}
file_transport = address_file
pipe_transport = address_pipe

#
# handle aliases for mailman mailing list system.
#     2007-09-28, PHS.
#


mailman_aliases:
driver = redirect
allow_fail
allow_defer
data = ${lookup{$local_part}lsearch{/var/lib/mailman/data/aliases}}
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

localuser:
driver = accept
check_local_user
transport = local_delivery
cannot_route_message = Unknown user


This is for our departmental mailserver which is the primary mx for our
domain bio.warwick.ac.uk, this machine can also accept mail for local
delivery to protein.bio.warwick.ac.uk. Historically the internal
departmental mail was handled by our mercury email system running on
cell, but when most of our users where moved onto the campus email
system I implemented a mysql driven alias system to re-direct all of
their @bio mail->@warwick, these are the mysql based routers, the
send_to_cell would handle anyone that wanted to still use mercury,
however we now want to discontinue this.

What I would like to do is arrange so that any mail to
user@??? would either be redirected by an alias in the
mysql table or thrown away, so ideally send_to_cell should be replaced
with something that drops any further @bio addresses on the floor.
However, I still need anything that is not @bio to be passed on to the
routers below e.g. sent_to_materhorn, _oikos and _globin etc.

Can this be done ?

Every time I have tried so far, whatever I have replaced send_to_cell
with has ended up with messages being defered with a message such as :-

2007-10-10 17:00:03 1Ifdyd-00066F-K1 <= phill@???
H=jane.bio.warwick.ac.uk [137.205.155.235] P=esmtp S=832
id=470CF701.2040001@???
2007-10-10 17:00:03 1Ifdyd-00066F-K1 lowest numbered MX record points to
local host: bio.warwick.ac.uk
2007-10-10 17:00:03 1Ifdyd-00066F-K1 == sjdavis@???
R=dnslookup defer (-1): lowest numbered MX record points to local host
2007-10-10 17:00:03 1Ifdyd-00066F-K1 Frozen


Cheers.

Phill.

--
Phill Harvey-Smith, Computer Technician,
Department of Biological Sciences, Warwick University.
Email: phill@???, Phone: 024 7652 8385.
"The Days' as dark as the night is long" -- U2, Ultraviolet.