This documentation is for Dovecot v2.x, see wiki1 for v1.x documentation.

dbox

Introduced with Dovecot 1.0a4. The point is to have a high performance mail store combining all the best qualities of other mailbox formats. Some behavior can't be universally accepted as optimal, so dbox allows sysadmin to configure those:

dbox format isn't finished yet, so it should only be used for testing purposes.

References