Den 2012-08-31 15:13, Hanno Hirschberger skrev:

> I'd like to train DSPAM with the results from SpamAssassin. Incoming
> mails first are checked by SpamAssassin and then delivered to DSPAM.

you need to understand why this might be a good ideer in the first 
place, its important to not train ALL but learn incomming ALL mails is 
not training, so you dont end up with a huge database digest to resolve 
problems from later, again it keeps digest minimal, and speeds maximal

my mailserver have only 1238M mem, and i consider it nice its still 
handle both spamassassin and dspam here without any problem

> When SpamAssassin marked a mail as spam is there any way to tell 
> DSPAM
> that the mail is definitely spam and to learn from that?

nope, this will be failure, dspam is not another spamassassin engine, 
so you have to tell dspam what is spam, and let it know what is not 
considered as spam by you is ham

so mail flow is:

internet > mta > dspam > mta > lda

if for some reason one gets an spam mail it must be sent again to dspam 
with the dspam signature that shows exacly what mail is spam

when dspam got this signature, then it changes scores for all digest 
that was learned in the original mail on incomming from internet

> Btw.: I have two servers. The first one is picking mails up with
> sendmail then AMaViS is doing the SpamAssassin magic.

yep amavis is very magic :)

> The second
> server has DSPAM receiving the mails from the first one after that.

here i just use content-filter on amavis mails that are sent back to 
postfix so thay are chained before going to lda stage

in other words, here i use:

internet > mta > amavis > dspam > mta > lda

but i plan on dropping amavis / spamassassin completely

save resources for dspam

then its a matter of move junk mails to the junk folder, no matter what 
mua is used


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