email@example.com wrote the qmail-mysql-patches, and some parts of my code are based on his work. Please note that the current version of qmail-sql has nothing anymore to do with his database-design
Joan Lavrijs gives me the necessary resources and tests the software
Alex Howansky submitted some bug-fixes and developped the imap-patches. Thanks Alex !
Marlon Reinaldo Cardoso translated the qmail+pgsql pages in portuguese. Thanks Marlon !
NRTC sponsored the support for databaseclusters