[Dovecot] AntiSpam Plugin

[Gregory Finch]

On 2010-08-03 2:17 PM, Leander S. wrote:
>  Am 03.08.10 22:53, schrieb Gregory Finch:
>> On 2010-08-03 1:41 PM, Leander S. wrote:
>>>   Am 28.07.10 23:43, schrieb Harlan Stenn:
>>>> Figure out exactly what script is running and see if it says why it
>>>> would return with a status of 9.  If that is because of a SIGKILL,
>>>> it is
>>>> because some process is sending that signal.  You are gonna get to
>>>> figure out what debug knobs to crank to figure out why this is
>>>> going on.
>>>>
>>>> Can you invoke any of this stuff manually from the command line to see
>>>> what messages may come up?
>>>>
>>>> h
>>> Hi,
>>>
>>> unfortunately I still wasn't able to figure out what's going on. I
>>> tried to debug the sa-learn perl script and I wasn't able to find any
>>> hint to that code. (I'm not a beginner) But I guess that this is not
>>> an issue of sa-learn. Why? Because sa-learn does as I asked it to.
>>> sa-learn writes everything into the SQL DB as wanted - but the mail is
>>> not being copied to the destination plus the dovecot server returns
>>> the old known [SERVERBUG] message to Thunderbird. I obviously also
>>> tried:
>>>
>>>
>>> server [~]# sa-learn --username=admin at mydom.com --spam
>>> /var/mail/admin/.Spam/
>>> Learned tokens from 0 message(s) (2 message(s) examined)
>>> server [~]#
>>>
>>> "Learned tokens from 0" because it has learnd from Dovecot antispam
>>> already. If I reset SQL values it would learn again.
>>>
>>>
>>> Here is my debug.log output again.
>>>
>>> Aug  3 22:16:29 server imap: antispam: plugin initialising (1.2-notgit)
>>> Aug  3 22:16:29 server imap: antispam: "Trash" is exact match trash
>>> folder
>>> Aug  3 22:16:29 server imap: antispam: "Spam" is exact match spam
>>> folder
>>> Aug  3 22:16:29 server imap: antispam: "Virus" is exact match unsure
>>> folder
>>> Aug  3 22:16:29 server imap: antispam: mail backend spam address --spam
>>> Aug  3 22:16:29 server imap: antispam: mail backend not-spam address
>>> --ham
>>> Aug  3 22:16:29 server imap: antispam: mail backend sendmail
>>> /usr/local/bin/sa-learn
>>> Aug  3 22:16:29 server imap: antispam: mail backend sendmail arg
>>> --username=admin at mydom.com --debug all
>>> Aug  3 22:16:29 server imap: antispam: mail backend tmpdir /tmp
>>> Aug  3 22:16:34 server imap: antispam: mailbox_is_unsure(Spam): 0
>>> Aug  3 22:16:34 server imap: antispam: mailbox_is_trash(INBOX): 0
>>> Aug  3 22:16:34 server imap: antispam: mailbox_is_trash(Spam): 0
>>> Aug  3 22:16:34 server imap: antispam: mail copy: from trash: 0, to
>>> trash: 0
>>> Aug  3 22:16:34 server imap: antispam: mailbox_is_spam(INBOX): 0
>>> Aug  3 22:16:34 server imap: antispam: mailbox_is_spam(Spam): 1
>>> Aug  3 22:16:34 server imap: antispam: mailbox_is_unsure(INBOX): 0
>>> Aug  3 22:16:34 server imap: antispam: mail copy: src spam: 0, dst
>>> spam: 1, src unsure: 0
>>> Aug  3 22:16:34 server imap: antispam: running mailtrain backend
>>> program /usr/local/bin/sa-learn
>>> Aug  3 22:16:34 server imap: antispam: running mailtrain backend
>>> program /usr/local/bin/sa-learn
>>> Aug  3 22:16:38 server imap: antispam: run program failed with exit
>>> code 9
>>>
>>>
>>>
>>>
>>> Those are my Antispam options from dovecot.conf:
>>>
>>> [...]
>>>    ### Dovecot AntiSpam ###
>>>     # mail signature (used with any backend requiring a signature)
>>>     #antispam_signature = X-Spam-Status
>>>     #antispam_signature_missing = move
>>>
>>>     antispam_mail_sendmail = /usr/local/bin/sa-learn
>>>     antispam_mail_sendmail_args = --username=%u --debug all
>> anitspam_blah_args is a semicolon separated list, no spaces (I thought
>> this odd too), therefore:
>> antispam_mail_sendmail_args = --username=;%u;--debug;all
>>
>> (i think)
>>
>>>     antispam_mail_spam = --spam
>>>     antispam_mail_notspam = --ham
>>>     antispam_mail_tmpdir = /tmp
>>>     antispam_spam = Spam
>>>     antispam_unsure = Virus
>>>     antispam_trash = Trash
>>> [...]
>>>
>>> Even --debug all doesn't help a thing ;( I tried my luck enabeling
>>> all this Dovecot debug knobs:
>>>
>>> ##
>>> ## Logging
>>> ##
>>> mail_debug = yes
>>> auth_verbose = yes
>>> auth_debug = yes
>>> auth_debug_passwords = yes
>>> log_timestamp = "%b %d %H:%M:%S "
>>> syslog_facility = mail
>>>
>>>
>>> ... didn't help ... - dovecot's log didn't tell me anything new - no
>>> error nothing after the Serverbug happend ... ;(
>>>
>>>
>>> I really don't know where to debug anymore ;( Therefore, I would
>>> _really_ - out of all my frustration - appreaciate your help (cause
>>> this issue is now bothering me now for more than two weeks now already
>>> - without any little peace of success)
>>>
>>>
>>>
>>> Thanks&  Regards
>>>
>>>
>>>
>> -Greg
>>
>
> Thanks for your reply. I tried that one as well - unfortunately that
> didn't really help a lot. Debug now looks a bit different than before:
> (Ofcourse did I try it without the debug option at all as well - but
> with the same result.)
>
>
>   ### Dovecot AntiSpam ###
>    # mail signature (used with any backend requiring a signature)
>    #antispam_signature = X-Spam-Status
>    #antispam_signature_missing = move
>
>    antispam_mail_sendmail = /usr/local/bin/sa-learn
>    antispam_mail_sendmail_args = --username=%u;--debug;all
>    antispam_mail_spam = --spam
>    antispam_mail_notspam = --ham
>    antispam_mail_tmpdir = /tmp
>    antispam_spam = Spam
>    antispam_unsure = Virus
>    antispam_trash = Trash
>
>
>
>
>
> Aug  3 23:08:38 server imap: antispam: plugin initialising (1.2-notgit)
> Aug  3 23:08:38 server imap: antispam: "Trash" is exact match trash
> folder
> Aug  3 23:08:38 server imap: antispam: "Spam" is exact match spam folder
> Aug  3 23:08:38 server imap: antispam: "Virus" is exact match unsure
> folder
> Aug  3 23:08:38 server imap: antispam: mail backend spam address --spam
> Aug  3 23:08:38 server imap: antispam: mail backend not-spam address
> --ham
>
> Aug  3 23:08:38 server imap: antispam: mail backend sendmail
> /usr/local/bin/sa-learn
> Aug  3 23:08:38 server imap: antispam: mail backend sendmail arg
> --username=admin at mydom.com
> Aug  3 23:08:38 server imap: antispam: mail backend sendmail arg --debug
> Aug  3 23:08:38 server imap: antispam: mail backend sendmail arg all
>
> Aug  3 23:08:38 server imap: antispam: mail backend tmpdir /tmp
> Aug  3 23:08:38 server imap: antispam: mailbox_is_unsure(Spam): 0
> Aug  3 23:08:38 server imap: antispam: mailbox_is_trash(INBOX): 0
> Aug  3 23:08:38 server imap: antispam: mailbox_is_trash(Spam): 0
> Aug  3 23:08:38 server imap: antispam: mail copy: from trash: 0, to
> trash: 0
> Aug  3 23:08:38 server imap: antispam: mailbox_is_spam(INBOX): 0
> Aug  3 23:08:38 server imap: antispam: mailbox_is_spam(Spam): 1
> Aug  3 23:08:38 server imap: antispam: mailbox_is_unsure(INBOX): 0
> Aug  3 23:08:38 server imap: antispam: mail copy: src spam: 0, dst
> spam: 1, src unsure: 0
> Aug  3 23:08:38 server imap: antispam: running mailtrain backend
> program /usr/local/bin/sa-learn
> Aug  3 23:08:38 server imap: antispam: running mailtrain backend
> program /usr/local/bin/sa-learn
> Aug  3 23:08:40 server imap: antispam: run program failed with exit
> code 9
>
>
>
> But unfortunately there is no more debug as I was hoping of sa-learn.
> I also tried using different Dovecot versons already - but with the
> same result - they all give my MTC a SERVERBUG when I try to move
> mails with the help of the antispam plugin.
>
>
>
>
>
> Thanks & Regards

not knowing anything about spam assassin, my last guess would be make
sure that sa-learn can be called by whatever system user the imap
process calling it is running as.

-Greg

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