I have configure smtp-auth via PAM-ldap in my server. So I think there is no problem with pam-ldap. But when I configure my cyrus-imap to authorize via PAM-ldap,I got the error in log:
May 16 14:56:53 test1 imapd[22815]: unrecognized plaintext verifier PAM ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ my /etc/imap.conf configdirectory: /var/imap defaultpartition: default hashimapspool: yes partition-default: /var/spool/imap admins: root servername: mail.net.dlut.edu.cn allowplaintext:yes allowanonymouslogin: no quotawarn: 90 defaultacl: anyone lrs sievedir:/usr/sieve sasl_pwcheck_method: PAM LiuJinhui [EMAIL PROTECTED] 2002-05-16