On Mon, 2010-05-03 at 15:50 +0200, Martin Ott wrote: > user2::0:0::::proxy=yes host=[ip-address] ssl=any-cert starttls=yes nopassword=y > > Is there some kind of catch-all function to pass all users to the main > dovecot-imapserver without knowing the valid users? You could do that with sql (e.g. sqlite). Or checkpassword. Other than those, no.