hi, I found here is an option sasl_pwcheck_method and a lot of ldap_xxx like options. and also this in 'man 5 imapd.conf': "allowapop: 1 Allow use of the POP3 APOP authentication command. Note that this command requires that SASL is compiled with APOP support, that the plaintext passwords are available in a SASL auxprop backend (eg. sasldb), and that the system can provide enough entropy (eg. from /dev/urandom) to create a challenge in the banner." 1.dose that mean I can only use sasldb2 for password and user id storage if I want APOP? 2.If I set sasl_pwcheck_method to :saslauthd other options can be set through saslauthd.conf and saslauthd command line.but if set to "auxprop" then where to set the option "auxprop_plugin"??,no such an option in imapd.conf 3.If I just want to use ldap for auth,which option control that? just do not set sasl_pwcheck_method then set ldap_xxxx? thx very much sohu mailto:meilinxiaoxue@xxxxxxxx ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html