On Fri, 2011-09-02 at 11:05 +0200, Luigi Rosa wrote: > Sep 2 11:03:11 mail dovecot: stats: Error: Mail server input error: > UPDATE-SESSION: stats shrank: ucpu 0.5999 < 0.9000 http://hg.dovecot.org/dovecot-2.1/rev/9434093229aa should fix this.