Timo, Sorry I didn't see your response until now
>> 3) The interesting part -- I am invoking LDA from Maildrop. See: >> http://thread.gmane.org/gmane.mail.imap.dovecot/65473 > So >> when invoked, Maildrop has already dropped to the destination UID/GID >> and the needed paths are available in the environment. However, using >> as many permutations of calling LDA as I can think of (based on >> http://wiki2.dovecot.org/LDA ), I always get this: >> >> (command line usage error. Command output: lda: Fatal: Couldn't lookup >> our username (uid=2500) ) > > Set USER environment. Sorry, would you mind being more specific? If you see my follow-up posts on this thread, I found a source file with this error message in it (link below) and reading that code, there is no way to avoid this error for non-system users (uid's) if you don't use -d. (looking at the "destination" variable) http://hg.dovecot.org/dovecot-sieve-1.1/raw-rev/7d85833eff96