On Jan 16, 2009, at 3:48 PM, Nathan Hüsken wrote:
test-user:{PLAIN}test:1002:100::/home/test-user:: a01 LOGIN test-u...@my-domain.de test
..
passdb: driver: passwd-file args: /etc/vmail/%d/users userdb: driver: passwd-file args: /etc/vmail/%d/users
For these set: args = username_format=%n /etc/vmail/%d/users as http://wiki.dovecot.org/AuthDatabase/PasswdFile tells.