questions we really should answer. if you feel like doing us a favor, sit down and answer one. * why is it so hard to get imapd working with redhat's shadow password implementation? * When does imapd advertise PLAIN? when does it accept plaintext logins? * What are the advantages of LMTP? * How do I configure Sendmail to use LMTP? * How do I configure Postfix to work with Cyrus? To use LMTP? * How can I run LMTP over TCP? Why should I want to? * What are the performance implications of single-instance store? (in effect as of 1.6.22) How should I configure partitions to deal with a large number of users?