On Tue, Apr 22, 2008 at 12:31:09PM +0200, Christoph Petersen wrote:
>
> Is there another plugin which can achieve persistent db connections? Or some
> clues to fix the abovementioned issues?

http://wiki.apache.org/spamassassin/DBIPlugin

If you use amavisd-new:

http://marc.info/?l=amavis-user&m=120818305608407&w=2