Am very new to Linux in general and am currently trying Ubuntu Lucid , have tried the above problem using existing threads but to no avail.First because i don't understand the terminology very well..but trying..... can anyone help me! root@westserv:/home/jkirubi# ps xfaw | grep sasla 8051 pts/0 S+ 0:00 \_ grep --color=auto sasla 2. root@westserv:/home/jkirubi# dpkg -l | grep cour ii courier-authdaemon 0.62.4-1 Courier authentication daemon ii courier-authlib 0.62.4-1 Courier authentication library ii courier-authlib-mysql 0.62.4-1 MySQL support for the Courier authentication ii courier-authlib-userdb 0.62.4-1 userdb support for the Courier authenticatio ii courier-base 0.63.0-2.1ubuntu1 Courier mail server - base system ii courier-imap 4.6.0-2.1ubuntu1 Courier mail server - IMAP server ii courier-imap-ssl 4.6.0-2.1ubuntu1 Courier mail server - IMAP over SSL ii courier-pop 0.63.0-2.1ubuntu1 Courier mail server - POP3 server ii courier-pop-ssl 0.63.0-2.1ubuntu1 Courier mail server - POP3 over SSL ii courier-ssl 0.63.0-2.1ubuntu1 Courier mail server - SSL/TLS Support 3 /etc/postfix/sasl/smtpd.conf pwcheck_method: saslauthd mech_list: plain login allow_plaintext: true auxprop_plugin: mysql sql_hostnames: 127.0.0.1 sql_user: ispconfig sql_passwd: ..... sql_database: dbispconfig 4 auth required pam_mysql.so user=ispconfig passwd=..... account sufficient pam_mysql.so user=ispconfig passwd=.... sql_select: select password from mail_user where email = '%u' Kindly is there someone out there who can help