[Dovecot] what best for anti-spam filter?

[Steve]

-------- Original-Nachricht --------
> Datum: Tue, 24 Jul 2012 08:20:08 +0200
> Von: Radim Kolar <hsn at filez.com>
> An: fy <fy at 5dshu.com>
> CC: dovecot at dovecot.org
> Betreff: Re: [Dovecot] what best for anti-spam filter?

> 
> > what anti-spam for you used ? dspam?spammassian? amavisd-new ? what is
> > best ?
> i got best results with dspam + graylist. but dspam is not scalable
> solution, it works only if you do not have many users.
> 
The RICE university is using dspam on about 65K mailboxes without issues: http://it.rice.edu/spam.aspx

Maybe your setup is the problem and not dspam?