When I use option 'auth-pam-mail-user' as explained in man page, the program display 'warning: unknown directive'. After tracing the source I found this: man page cfgdirectives.c -------- --------------- tls-no-bug-workarounds - - "tls-bug-workarounds" auth-pam-mail-user - - "auth-ldap-use-tls" -- Haris Hudji