Jean, You've configured SASL in a such a way that it requires some sort of security in order for it to check passwords. That security is normally SSL or some form of digest method... Cheers, Guus -----Original Message----- From: cyrus-sasl-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:cyrus-sasl-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Jean Frontin Sent: 10 October 2007 15:15 To: cyrus-sasl@xxxxxxxxxxxxxxxxxxxx Subject: Authentication problem Hello, I am a newbee ! So I encounter this problem: I enter the command line : % /usr/bin/imtest -m login -a xxx localhost All seems good and I receive : please enter your password: then, The response to shi command contain the lines : S: L01 NO Login only available under a layer Authenticated. Security strength factor: 0 Thanks you for your help Jean Frontin System team I R I T Université Paul-Sabatier 118, rte de Narbonne 31062 Toulouse cedex 9 France tel (33)(0)5 61 55 63 03 mail frontin@xxxxxxx