On Tue, 6 Mar 2007, lissette wrote: > 2007-02-02 16:41:03 [Thread-6 ] <INFO > <cecid.ebms.spa> <Found 1 > message(s) in mail box> > 2007-02-02 16:41:13 [Thread-39 ] <INFO > <cecid.ebms.spa> <Received > an ebxml message from mail box> > 2007-02-02 16:41:13 [Thread-39 ] <ERROR> <cecid.ebms.spa> > <Unauthorized message, no principal id> > 2007-02-02 16:41:14 [Thread-39 ] <INFO > <cecid.ebms.spa> <Store > outgoing message: 20070202-164113-85...@xxxxxxxxxxxxx> > 2007-02-02 16:41:25 [Thread-6 ] <ERROR> <cecid.ebms.spa> <Error in > collecting message from mail box> > hk.hku.cecid.piazza.commons.net.ConnectionException: Unable to > connect > to incoming mail server > by javax.mail.AuthenticationFailedException: [LOGIN-DELAY] > minimum > time between mail checks violation > at > hk.hku.cecid.piazza.commons.net.MailReceiver.connect(MailReceiver.java: > 66) Did you actually read the error message? This seems unrelated to PostgreSQL and definately not related to PostgreSQL performance. Gavin