Re: suddenly 'User unknown'?

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Brian

On 29/11/2018 19:34, Shaw, Brian wrote:
>   It looks like you may have some type of disk permissions issue.
>
> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: Losing
> ./qfwATIapgq005070: savemail panic
> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: SYSERR(root):
> savemail: cannot save rejected email anywhere
>
>   This may be the cause of your "user unknown" error.  Either way, you
> shouldn't have errors like this.

Nice idea but not true. The above lines follow from 'User unknown'
because /etc/aliases contains:

postmaster:    root
root:        brad@xxxxxxxxxxxxxxxxxxxxx

So in event that brad@xxxxxxxxxxxxxxxxxxxxx is unknown  then so is root
and postmaster. Therefore: 'savemail: cannot save rejected email
anywhere' is to be expected.

>
> Brian
>
> On 2018-11-29 2:00 pm, Charles Bradshaw via Info-cyrus wrote:
>> Simon
>>
>> My original post contained a dump of /var/log/maillog, butwas asked by
>> Dan "what does cyrus syslog say" so assumed there should be some more
>> log messages somewhere.
>>
>> For the record I do: Clear /var/log/maillog then send a test email from
>> the command line. Then /var/log/maillog contains:
>>
>> Nov 29 18:36:51 dell2600-1 sendmail[5067]: wATIapoE005067: from=brad,
>> size=44, class=0, nrcpts=1,
>> msgid=<201811291836.wATIapoE005067@xxxxxxxxxxxxxxxxxxxxx>,
>> relay=brad@localhost
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: NOQUEUE: connect from
>> localhost.localdomain [127.0.0.1]
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: AUTH: available mech=CRAM-MD5
>> DIGEST-MD5, allowed mech=EXTERNAL DIGEST-MD5 CRAM-MD5
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: wATIapgq005068: Milter: no
>> active filter
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: STARTTLS=server,
>> relay=localhost.localdomain [127.0.0.1], version=TLSv1/SSLv3, verify=NO,
>> cipher=DHE-RSA-AES256-GCM-SHA384, bits=256/256
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: STARTTLS=server,
>> cert-subject=, cert-issuer=, verifymsg=ok
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: AUTH: available mech=CRAM-MD5
>> DIGEST-MD5, allowed mech=EXTERNAL DIGEST-MD5 CRAM-MD5
>> Nov 29 18:36:51 dell2600-1 sendmail[5067]: STARTTLS=client,
>> relay=[127.0.0.1], version=TLSv1/SSLv3, verify=FAIL,
>> cipher=DHE-RSA-AES256-GCM-SHA384, bits=256/256
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: ruleset=trust_auth,
>> arg1=brad@xxxxxxxxxxxxxxxxxxxxx, relay=localhost.localdomain
>> [127.0.0.1], reject=550 5.7.1 <brad@xxxxxxxxxxxxxxxxxxxxx>... not
>> authenticated
>> Nov 29 18:36:51 dell2600-1 sendmail[5068]: wATIapgr005068:
>> from=<brad@xxxxxxxxxxxxxxxxxxxxx>, size=358, class=0, nrcpts=1,
>> msgid=<201811291836.wATIapoE005067@xxxxxxxxxxxxxxxxxxxxx>, proto=ESMTP,
>> daemon=MTA, relay=localhost.localdomain [127.0.0.1]
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: AUTH=client, relay=localhost,
>> mech=, bits=0
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005068:
>> to=<brad@xxxxxxxxxxxxxxxxxxxxx>, delay=00:00:00, xdelay=00:00:00,
>> mailer=cyrusv2, pri=120358, relay=localhost, dsn=5.1.1, stat=User
>> unknown
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005068:
>> wATIapgq005070: DSN: User unknown
>> Nov 29 18:36:51 dell2600-1 sendmail[5067]: wATIapoE005067:
>> to=brad@xxxxxxxxxxxxxxxxxxxxx, ctladdr=brad (500/500), delay=00:00:00,
>> xdelay=00:00:00, mailer=relay, pri=30044, relay=[127.0.0.1] [127.0.0.1],
>> dsn=2.0.0, stat=Sent (wATIapgr005068 Message accepted for delivery)
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070:
>> to=<brad@xxxxxxxxxxxxxxxxxxxxx>, delay=00:00:00, xdelay=00:00:00,
>> mailer=cyrusv2, pri=31677, relay=localhost [[UNIX:
>> /var/lib/imap/socket/lmtp]], dsn=5.1.1, stat=User unknown
>>
>> NOTE: The following is to be expected because both root and postmaster
>> are aliased to brad@xxxxxxxxxxxxxxxxxxxxx
>>
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: alias
>> MAILER-DAEMON => postmaster
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: alias
>> postmaster => root
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: alias root =>
>> brad@xxxxxxxxxxxxxxxxxxxxx
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: alias
>> postmaster => root
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: alias root =>
>> brad@xxxxxxxxxxxxxxxxxxxxx
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070:
>> wATIapgr005070: return to sender: User unknown
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005070:
>> to=brad@xxxxxxxxxxxxxxxxxxxxx, delay=00:00:00, xdelay=00:00:00,
>> mailer=cyrusv2, pri=32701, relay=localhost [[UNIX:
>> /var/lib/imap/socket/lmtp]], dsn=5.1.1, stat=User unknown
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005070: alias
>> MAILER-DAEMON => postmaster
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005070: alias
>> postmaster => root
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005070: alias root =>
>> brad@xxxxxxxxxxxxxxxxxxxxx
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgr005070: done;
>> delay=00:00:00, ntries=1
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: Losing
>> ./qfwATIapgq005070: savemail panic
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: SYSERR(root):
>> savemail: cannot save rejected email anywhere
>> Nov 29 18:36:51 dell2600-1 sendmail[5070]: wATIapgq005070: done;
>> delay=00:00:00, ntries=1
>> Nov 29 18:36:52 dell2600-1 sendmail[5070]: wATIapgr005068: done;
>> delay=00:00:01, ntries=1
>>
>> That's the entire content.
>>
>> Now you tell me is cyrus syslog being sent to /var/log/maillog? Or
>> should it be going to /var/imapd.log as the configuration files, man
>> pages and cyrus installation guides ( found here:
>> https://www.cyrusimap.org/imap/installing.html ) say it should?
>>
>> I originally asked for an explanation of the mechanism (IE. sequence of
>> events) lmtp uses to decide stat = 'User unknown" or not. But I seem to
>> be getting deeper and deeper into where the logs are going rather than
>> understanding the process.
>>
>> On 29/11/2018 17:55, Simon Matter wrote:
>>>> Dan
>>>>
>>>> I have, and have always had, an empty /var/log/imapd.log so I'm not
>>>> going to make progress until I fix that.
>>>>
>>>> In n /etc/rsyslog.conf
>>>>
>>>> # cyrus imapd
>>>> #local6.*                              /var/log/imapd.log   - tried
>>>> this
>>>> first.
>>>> local6.debug                        /var/log/imapd.log
>>>> auth.debug                          /var/log/auth.log
>>>>
>>>> and in /etc/imapd.conf
>>>>
>>>> syslog_prefix: cyrus
>>>> syslog_facility: LOCAL6
>>>>
>>>> If I remove the file /etc/imapd.log then
>>>>
>>>> # /etc/init.d/rsyslog restart
>>>>
>>>> # logger local6.debug 'test log message'
>>>>
>>>> # cat /var/log/imapd.log
>>>>
>>>> Nov 29 15:06:42 dell2600-1 brad: test log message
>>>>
>>>> Obviously syslog is working local6. But still no messages from cyrus!
>>>> Therefor I'm now stuck with this secondary problem.
>>>>
>>>> I have followed the cyrus instructions as best I can, but no go. I say
>>>> again this has all worked for years, albeit with an always empty
>>>> imapd.log
>>>>
>>>> There must be some missing cyrus syslog configuration.
>>> From README.RPM in the cyrus-imapd package:
>>> 12) Check your syslog configuration. This RPM uses the mail facility
>>> to log
>>>     messages. On busy sites you may want to limit the mail facility
>>> to the
>>>     info priority with something like 'mail.info   
>>> /var/log/maillog' in
>>>     /etc/syslog.conf.
>>>
>>> So, I guess your cyrus-imapd messages go to /var/log/maillog then, not?
>>>
>>> Regards,
>>> Simon
>>>
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