On Thu, 22 Jul 2010 10:04:41 +0200
Nico Hoffmann <n...@bacanol.de> wrote:

> Hello!
> 
Guten Tag Nico,


> I have got a question about forwarding spam email to user based learning 
> address. How do you integrate this with postfix? The eMail-Addresses are 
> not recognized by the system (postfix), when a user forwards this and so 
> the mail is dropped/rejected. Is there a way to customize the address, 
> to let it point to a subdomain like u...@spam.xyz.de? Or is there a way 
> to let postfix process the messages correctly to dspam? Is there any 
> kind of manual that handles this kind of issue? I used google, the faqs 
> and a lot of time, without success.
> 
this little beast here can do what you want:
http://dspam.git.sourceforge.net/git/gitweb.cgi?p=dspam/dspam;a=tree;f=contrib/dspam_alias_retraining;hb=HEAD

You could then instruct Postfix to send u...@spam.xyz.de to the retrain-dspam 
service. A simple PCRE would do the trick:
/^...@]+\@spam\.xyz\.de$/             dspam-retrain:spam
/^...@]+\@(not?spam|ham)\.xyz\.de$/   dspam-retrain:innocent

And in master.cf you could have something like this:
retrain-dspam unix      -       n       n       -       -       pipe
  flags=Ru
  user=retrain argv=/path/to/dspam-retrain-forward.pl
  --debug=no
  --client
  --user ${sender}
  --class=${nexthop}
  --source=error
  --full=yes
  --headers-only=no
  --bodies-only=yes
  --first-only=no
  --skip-first=no
  --bin-dir=/path/to/dspam/binary


> Version: DSPAM Anti-Spam Suite 3.9.0
> 
> 
> Thank you for any help!
> 
> best regards,
> 
> Nico
> 
-- 
Kind Regards from Switzerland,

Stevan Bajić

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