Iris is a CGI script, Exim MTA and Dovecot configuration files, and Vagrant and Ansible playbook, supplemented with instructions on building an e-mail server with virtual domain support, authenticated SMTP relay, vacation, SMTP-time malware/spam/over-quota reject, and Web based account and domain administration, including domain-level access control for delegated domain management. It is based on Exim MTA, Dovecot IMAP server, MySQL, Perl, Clamav, SpamAssassin, and Roundcube Webmail.
