Hello!! I have perfectly installed ebmail and Hermes 2 whith JDK 1.4.2 ,postgreSQL 8.1 and Tomacat 5.0.28 and all good works. I send messages whith ebmail and it`s writing in Postgresql but I have some mistakes: 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) at hk.hku.cecid.ebms.spa.task.MailCollector.getTaskList(MailCollector.java: 49) at hk.hku.cecid.piazza.commons.module.ActiveTaskModule.execute(ActiveTaskModul e.java: 137) at hk.hku.cecid.piazza.commons.module.ActiveModule.run(ActiveModule.java: 205) at java.lang.Thread.run(Thread.java:534) Caused by: javax.mail.AuthenticationFailedException: [LOGIN-DELAY] minimum time between mail checks violation at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java: 118) at javax.mail.Service.connect(Service.java:255) at javax.mail.Service.connect(Service.java:134) at javax.mail.Service.connect(Service.java:86) at hk.hku.cecid.piazza.commons.net.MailReceiver.connect(MailReceiver.java: 63) ... 4 more Can someome help me? is very important for me, Thank very much