Isoqlog is an MTA log analysis program written in C. It is designed to scan qmail, Postfix, Sendmail, and Exim logfiles and produce usage statistics in HTML for viewing through a browser. It produces a "top domains" statistic according to sender, receiver, total mails, and bytes, and keeps the main domain mail statistics with regard to day's top domain, and top users values for per day, per month, and per year.
QLDAPAdmin is a series of tools that controls the LDAP databases which are used to store account information for Qmail users. It is written in C++. With the help of QLDAPAdmin tools, you can create and delete virtual domains, create and modify virtual users, change users' passwords, set up a mailhost (for qmail clusters), mailquota, mail directory, etc., create alternate addresses and/or forwarding addresses for one mailbox, view users' information, delete users from the LDAP database, list all qmail domains, and list all users of qmail domains.