Hi, Dovecot-antispam plugin is a better solution indeed. I use his too.
I'm not sure why dovecot-antispam plugin does not work when using the
dspam backend config. Finding out what is causing this, was still on my
todo-list.
For the moment, I abuse the sendmail/mailtrain backend for calling
dspam. Configuration looks like this in my setup:
$ cat /etc/dovecot/conf.d/91-antispam.conf
plugin {
antispam_backend = mailtrain
antispam_mail_sendmail = /usr/bin/dspamc
antispam_mail_sendmail_args = --source=error;--deliver=;--user;%u
antispam_mail_notspam = --class=innocent
antispam_mail_spam = --class=spam
antispam_mail_tmpdir = /tmp
antispam_signature = X-DSPAM-Signature
antispam_signature_missing = move
antispam_spam_pattern_ignorecase = Junk;Junk.*
antispam_trash_pattern_ignorecase = Trash;Deleted Items;Deleted
Messages
Adapt to your liking, of course.
Regards,
Tom
On 01/03/11 12:15, Robert Z wrote:
> Great explanation Tom. One more question if you dont mind.
>
> What would be the correct way to use header signatures when training ? I want
> to
> use
>
> Dovecot-antispam for this. I have attached my dovecot.conf, as anitispam will
> not pipe to Dspam for training
> when I move mail to the "Spam" folder.
>
> Robert
>
>
>
>
> ----- Original Message ----
>> From: Tom Hendrikx <t...@whyscream.net>
>> To: dspam-user@lists.sourceforge.net
>> Sent: Tue, March 1, 2011 2:27:53 AM
>> Subject: Re: [Dspam-user] Can NOT get Dspam to retrain, DSPAM refuses to
>> find
>> the X-DSPAM-Signature in the header
>>
>>
>>
>> On 01/03/11 10:28, Robert Z wrote:
>>> Here is my master.cf and main.cf.
>>>
>>> I am currently training through s...@domain.com.
>>> The only thing I can think of that is causing this issue is that postfix
>>> or
>
>>> dspam is
>>> stripping the Dspam headers when I send to train at s...@domain.com.
>>>
>>> Thanks for the help
>>>
>>> Robert
>>>
>>
>>
>> Hi,
>>
>> If you are retraining by forwarding, you need to to put the signature in
>> the body.
>>
>> When you forward a message with your MUA to s...@example.com, the MUA
>> sends a new message with your 'problematic' email either as an
>> attachment or inline. The new message has no DSPAM header.
>>
>> 'As an attachment' means that the to-be-detected signature is a header
>> in an attachment to the message that you send to DSPAM, not in the
>> message's header itself: DSPAM does not see this. When the problematic
>> e-mail is forwarded inline, typically all headers are removed by the
>> MUA: only the message body of the email is included in the new message.
>>
>> When the signature is in the body, and your MUA forwards inline, the
>> signature is still in the body of the new message, so that should work.
>> For attached messages it might also work (not sure).
>>
>> For some MUAs, 'bouncing' the message to the s...@example.com might work
>> as this leaves headers intact (for those rare MUAs that still support
>> bouncing).
>>
>> Conclusion: when retraining is based on forwarding a misclassified
>> message to some mail address destined for dspam processing, make sure
>> that the signature is in the body.
>>
>> Kind regards,
>> Tom
>>
>>
>
>
>
>
>
>
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