[Dovecot] dovecot-dspam-plugin not launching dspam

[Peter Fern]

Hmmm, so in your virtual system all users are uid virtual?

Stefan Schmidt wrote:

> i set "mail_debug = yes" in dovecot.conf, restartet dovecot and tried 
> to move a mail out of the spamfolder with thunderbird to trigger the 
> retraining via the dovecot-module. this of course still didn't work. 
> then i checked mail.err, mail.info, mail.warn, mail.log and 
> dspam.debug but it didn't write more lines than before in the logs. 
> more ideas ?
>
> stefan
>
> Peter Fern schrieb:
>
>> IIRC when you turn mail debugging on in dovecot the plugin should 
>> send the output of the dspam call to the maillog, should tell you 
>> what's wrong then...
>>
>> Stefan Schmidt wrote:
>>
>>> hello,
>>>
>>> i added the dovecot-dspam-plugin [1] to my dovecot-installation. 
>>> when trying to move a mail out of or into the predefined spamfolder 
>>> with thunderbird a messagebox shows : "dspam failed" and the message 
>>> remains in its original position. i am using virtual mail users 
>>> contained in a postgresql-database [2]. normal imap access and dspam 
>>> training from the commandline works fine. a posting concerning 
>>> probably the same issue has been posted on the dspam-mailinglist 
>>> [3], but there haven't been any helpful replies so far. furthermore 
>>> i suspect the plugin is missing the --user option when calling 
>>> dspam, since this seems to be mandatory [4,5], but unfortunately 
>>> adding this option in the plugin doesn't change its behavior. i am 
>>> working on a debian system and currently using dovecot 1.0.beta3-3, 
>>> dspam 3.6.4-2+b1 and the dspam-plugin "for dovecot beta 2 and 3".
>>>
>>> 1) calling dspam from the commandline with the same parameters as in 
>>> the (slightly modified) plugin works fine
>>>
>>> :/# su virtual
>>> :/$ /usr/bin/dspam --user retrain --source=error --stdout 
>>> --class=spam --signature=4,4434846e237406491211187 --debug
>>>
>>> -> /var/log/dspam.debug
>>>
>>> No QuarantineAgent option found. Using standard quarantine.
>>> DSPAM Instance Startup
>>> input args: /usr/bin/dspam --debug --user retrain --source=error 
>>> --stdout --class=spam --signature=4,4434846e237406491211187
>>> pass-thru args:
>>> processing user retrain
>>> uid = 0, euid = 0, gid = 0, egid = 101
>>> loading preferences for user retrain
>>> Loading preferences for uid 7
>>> Loading preferences for uid 0
>>> Loading preferences for uid 0
>>> default preferences empty. reverting to dspam.conf preferences.
>>> Loading preferences from dspam.conf
>>> using /var/spool/dspam/opt-in/local/retrain.dspam as path
>>> using /var/spool/dspam/opt-out/local/retrain.nodspam as path
>>> sedation level set to: 0
>>> loading preferences for user some_virtual_account at mydomain.com
>>> Loading preferences for uid 4
>>> Loading preferences for uid 0
>>> Loading preferences for uid 0
>>> default preferences empty. reverting to dspam.conf preferences.
>>> Loading preferences from dspam.conf
>>> processing signature.  length: 1344
>>> reversing 112 tokens
>>> Control: [10 10] [11 9] Delta: [1 -1]
>>> reclassifying iteration 1 result: 0
>>> libdspam returned probability of 1.000000
>>> message result: SPAM
>>> DSPAM Instance Shutdown.  Exit Code: 0
>>>
>>> 2) when dspam is called via the (slightly modified) 
>>> dovecot-dspam-plugin it aborts (the unmodified version aborts the 
>>> same way)
>>>
>>> -> /var/log/mail.err
>>>
>>> dovecot: imap-login: Login: user=<someuser at mydomain.com>, 
>>> method=plain, rip=123.123.123.123, lip=123.123.123.123
>>> imap: /usr/bin/dspam --user retrain --source=error --stdout 
>>> --class=spam --signature=4,4434846e237406491211187
>>> dspam[25157]: Unable to determine the destination user
>>> dspam[25157]: DSPAM agent misconfigured: aborting
>>>
>>> -> /etc/dspam/dspam.conf [extract]
>>>
>>> Home /var/spool/dspam
>>> StorageDriver /usr/lib/dspam/libpgsql_drv.so
>>> TrustedDeliveryAgent "/usr/bin/procmail"
>>> OnFail error
>>> Trust root
>>> Trust dspam
>>> Trust mail
>>> Trust mailnull
>>> Trust smmsp
>>> Trust daemon
>>> Trust virtual
>>> TrainingMode teft
>>> TestConditionalTraining on
>>> Feature chained
>>> Feature whitelist
>>> Algorithm graham burton
>>> PValue graham
>>> Preference "spamAction=deliver"
>>> Preference "signatureLocation=headers"
>>> AllowOverride trainingMode
>>> AllowOverride spamAction spamSubject
>>> AllowOverride statisticalSedation
>>> AllowOverride enableBNR
>>> AllowOverride enableWhitelist
>>> AllowOverride signatureLocation
>>> AllowOverride showFactors
>>> AllowOverride optIn optOut
>>> AllowOverride whitelistThreshold
>>> HashRecMax              98317
>>> HashAutoExtend          on  HashMaxExtents          0
>>> HashExtentSize          49157
>>> HashMaxSeek             100
>>> HashConnectionCache     10
>>> Notifications   off
>>> PurgeSignatures 14
>>> PurgeNeutral    90
>>> PurgeUnused     90
>>> PurgeHapaxes    30
>>> PurgeHits1S     15
>>> PurgeHits1I     15
>>> LocalMX 127.0.0.1
>>> SystemLog on
>>> UserLog   on
>>> Opt out
>>> ProcessorBias on
>>> Include /etc/dspam/dspam.d/
>>>
>>> -> /etc/dspam/dspam.d/pgsql.conf [extract]
>>>
>>> PgSQLServer 127.0.0.1
>>> PgSQLPort 5432
>>> PgSQLUser dspam
>>> PgSQLPass mypassword
>>> PgSQLDb libdspam7drvpgsql
>>> PgSQLVirtualTable          dspam_virtual_uids
>>> PgSQLVirtualUIDField       uid
>>> PgSQLVirtualUsernameField  username
>>>
>>> -> dspam-headers from samples message
>>>
>>> X-DSPAM-Result: Innocent
>>> X-DSPAM-Processed: Thu Apr  6 03:32:07 2006
>>> X-DSPAM-Confidence: 0.7524
>>> X-DSPAM-Probability: 0.0000
>>> X-DSPAM-Signature: 44346f97188755315134984
>>>
>>> ciao, stefan
>>>
>>> [1] http://johannes.sipsolutions.net/Projects/dovecot-dspam-integration
>>> [2] http://www.gjdv.at/snippets/linux/virtual_mail_hosting
>>> [3] http://www.nuclearelephant.com/projects/dspam/dspam-users/2872.html
>>> [4] http://www.nuclearelephant.com/projects/dspam/dspam-users/2852.html
>>> [5] http://www.nuclearelephant.com/projects/dspam/dspam-users/2850.html
>>
>>