[root@vds6 ~]# grep saslauthd /var/log/messages | tail -20
Sep  7 13:16:36 vds6 saslauthd[7474]: PAM pam_parse: expecting return value; [...log]
Sep  7 13:16:36 vds6 saslauthd[7474]: PAM (imap) no module name supplied
Sep  7 13:16:36 vds6 saslauthd[7474]: PAM (imap) illegal module type: timecolumn=time
Sep  7 13:16:36 vds6 saslauthd[7474]: PAM (imap) no control flag supplied
Sep  7 13:16:36 vds6 saslauthd[7474]: PAM (imap) no module name supplied
Sep  7 13:16:36 vds6 saslauthd[7474]: do_auth         : auth failure: [user=cyrus] [service=imap] [realm=] [mech=pam] [reason=PAM auth error]
Sep  7 13:40:14 vds6 saslauthd[7474]: PAM unable to dlopen(/lib/security/pam_mysql.so)
Sep  7 13:40:14 vds6 saslauthd[7474]: PAM [dlerror: /lib/security/pam_mysql.so: cannot open shared object file: No such file or directory]
Sep  7 13:40:14 vds6 saslauthd[7474]: PAM adding faulty module: /lib/security/pam_mysql.so
Sep  7 13:40:14 vds6 saslauthd[7474]: do_auth         : auth failure: [user=cyrus] [service=imap] [realm=] [mech=pam] [reason=PAM auth error]
Sep  7 13:50:14 vds6 saslauthd[7474]: server_exit     : master exited: 7474
Sep  7 13:50:14 vds6 saslauthd[22137]: detach_tty      : master pid is: 0
Sep  7 13:50:14 vds6 saslauthd[22137]: ipc_init        : listening on socket: /var/run/saslauthd/mux
Sep  7 13:51:35 vds6 saslauthd[22137]: server_exit     : master exited: 0
Sep  7 14:01:27 vds6 saslauthd[22304]: detach_tty      : master pid is: 22304
Sep  7 14:01:27 vds6 saslauthd[22304]: ipc_init        : listening on socket: /var/run/saslauthd/mux
Sep  7 14:01:40 vds6 saslauthd[22304]: PAM unable to dlopen(/lib/security/pam_mysql.so)
Sep  7 14:01:40 vds6 saslauthd[22304]: PAM [dlerror: /lib/security/pam_mysql.so: cannot open shared object file: No such file or directory]
Sep  7 14:01:40 vds6 saslauthd[22304]: PAM adding faulty module: /lib/security/pam_mysql.so
Sep  7 14:01:40 vds6 saslauthd[22304]: do_auth         : auth failure: [user=cyrus] [service=imap] [realm=] [mech=pam] [reason=PAM auth error]