On 26.8.2012, at 18.40, Alex wrote: > is it possible to configure dovecot so that it only serves mailboxes > of specified users? All other users should be completely ignored so > that no indexing of messages or other resource consuming actions take > place.
You can configure passdb/userdb to give different settings to different users. So maybe for some users you return mail_location with :INDEX=MEMORY and don't accept their passwords. Depends on your setup what exactly you need to do..