--- a/dovecot-example.conf	Sun Sep 18 20:50:09 2005 +0300
+++ b/dovecot-example.conf	Sun Sep 18 21:18:50 2005 +0300
@@ -601,6 +601,7 @@
   #}
 
   # checkpassword executable authentication
+  # NOTE: You will probably want to use "userdb passdb" with this.
   #passdb checkpassword {
     # Path for checkpassword binary
     #args = 
@@ -671,6 +672,13 @@
   #userdb vpopmail {
   #}
 
+  # "passdb" user database means that the passdb already provided the
+  # needed information and there's no need to do a separate userdb lookup.
+  # This can be made to work with SQL and LDAP databases.
+  # http://wiki.dovecot.org/AuthSpecials
+  userdb passdb {
+  }
+
   # User to use for the process. This user needs access to only user and
   # password databases, nothing else. Only shadow and pam authentication
   # requires roots, so use something else if possible. Note that passwd