[exim] Rejecting of non-local-generated undeliverable bounce…

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Autor: Alexander Vasenin aka BlackSir
Datum:  
To: exim-users
Betreff: [exim] Rejecting of non-local-generated undeliverable bounces
Hi all! One of our servers work as mail relay for our customers(we are small ISP). All ougoing SMTP-traffic is redirected to our relay becouse of Netsky/Mydoom/Bagle. Some customers have their own SMTP-servers, and some of them send bounces when an error occured(account doesn't exist for example). Becouse of redirection these bounces relay throught our server, and Exim working on it doesn't actually recognise them as bounces. So, if the original message is spam, sender address is a fake, and if bounce undeliverable permanently it discarded (becouse of ignore_bounce_errors_after=0s), but when 'temporary' problem occures, bounce leaves in the queue for about a week. I have tons of bounces in my queue and I don't like that. How I can order Exim to throw this shit automatically?
We are using FreeBSD, Exim-4.43 + MySQL + exiscan + SA + ClamAV from ports.


P.S. Please, CC to blacksir@??? becouse I don't subscribed to this list.


>>>>> exim -bp

...skipped...
 4h   19K 1CIMwU-000BYy-J0 <>
          tian@???
...skipped....

>>>>> exim -Mvl 1CIMwU-000BYy-J0

2004-10-15 11:56:02 Received from <> H=sky.***.ru (linux.***.ru) [***.***.***.182] P=esmtp S=19954
2004-10-15 11:57:17 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 11:57:17 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 12:13:36 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 12:13:36 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 12:30:35 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 12:30:35 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 12:47:43 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 12:47:43 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 13:04:39 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 13:04:39 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 13:21:36 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 13:21:36 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 13:38:45 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 13:38:45 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 13:55:37 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 13:55:37 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 14:12:38 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 14:12:38 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out
2004-10-15 15:14:38 nix.swip.net [192.71.220.2]: Operation timed out
2004-10-15 15:14:38 tian@??? R=dnslookup T=remote_smtp defer (60): Operation timed out

>>>>> exim -Mvh 1CIMwU-000BYy-J0

1CIMwU-000BYy-J0-H
root 0 0
<>
1097826962 0
-helo_name linux.***.ru
-host_address ***.***.***.182.49155
-host_name sky.***.ru
-interface_address ***.***.***.130.25
-received_protocol esmtp
-body_linecount 372
-body_zerocount 1
XX
1
tian@???

184P Received: from sky.***.ru ([***.***.***.182] helo=linux.***.ru)
        by ***.***.number.ru with esmtp (Exim)
        id 1CIMwU-000BYy-J0
        for <tian@???>; Fri, 15 Oct 2004 11:56:02 +0400
069P Received: (qmail 494 invoked for bounce); 15 Oct 2004 07:55:58 -0000
033  Date: 15 Oct 2004 07:55:58 -0000
033F From: MAILER-DAEMON@linux.***.ru
022T To: tian@???
024  Subject: failure notice

Alexander Vasenin aka BlackSir