On 2007-09-03 Marc Haber <[EMAIL PROTECTED]> wrote:
> On Thu, Aug 30, 2007 at 08:14:44PM +0200, Andreas Metzler wrote:
[...]
>> The current order causes another kind of breakage that is worse. The
>> router breaks our default /etc/aliases:
>> root: ametzler
>> abuse: root

> The default /etc/aliases is created in exim4-config.postinst and
> contains only aliases from mailer-daemon to postmaster and from
> postmaster, nobody, hostmaster, usenet, news, webmaster, www, ftp,
> abuse, noc and security to root.

> I need more evidence about brokenness.

Hello,
ok, let me demonstrate. (I will split my answers to separate mails to
prioritize the most importatnt stuff.)

After a fresh installation of exim4-conf I end up with
this /etc/aliases:

# /etc/aliases
mailer-daemon: postmaster
postmaster: root
nobody: root
hostmaster: root
usenet: root
news: root
webmaster: root
www: root
ftp: root
abuse: root
noc: root
security: root
root: ametzler

After enabling the lowuid router with
FIRST_USER_ACCOUNT_UID = 1000
abuse is undeliverable from remote addresses:

(SID)[EMAIL PROTECTED]:/# swaks --pipe "exim -bh 70.103.162.31" -f [EMAIL 
PROTECTED] -t [EMAIL PROTECTED] -q rcpt > /tmp/swaks.log 2>&1
(SID)[EMAIL PROTECTED]:/# exim4 -bt [EMAIL PROTECTED] 
R: system_aliases for [EMAIL PROTECTED]
R: lowuid_aliases for [EMAIL PROTECTED] (UID 0)
R: system_aliases for [EMAIL PROTECTED]
R: lowuid_aliases for [EMAIL PROTECTED] (UID 1001)
R: system_aliases for [EMAIL PROTECTED]
R: userforward for [EMAIL PROTECTED]
R: procmail for [EMAIL PROTECTED]
R: maildrop for [EMAIL PROTECTED]
R: local_user for [EMAIL PROTECTED]
[EMAIL PROTECTED]
    <-- [EMAIL PROTECTED]
    <-- [EMAIL PROTECTED]
  router = local_user, transport = mail_spool
(SID)[EMAIL PROTECTED]:/# swaks --pipe "exim -bh 70.103.162.31" -f [EMAIL 
PROTECTED] -t [EMAIL PROTECTED] -q rcpt
[...]
>>> lowuid_aliases router forced address failure
>>> ----------- end verify ------------
>>> require: condition test failed
LOG: H=murphy.debian.org (argenau) [70.103.162.31] F=<[EMAIL PROTECTED]> 
rejected RCPT <[EMAIL PROTECTED]>: no mail to system accounts
<** 550 no mail to system accounts
 -> QUIT
<-  221 argenau closing connection
[...]

cu andreas
-- 
`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'


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