[Dovecot] lmtp_save_to_detail_mailbox not working?

[Timo Sirainen]

On Tue, 2012-05-08 at 13:36 -0400, Oscar del Rio wrote:
> Dovecot 2.1.6, with
> lmtp_save_to_detail_mailbox=yes
> recipient_delimiter=+
> 
> messages addressed to "user+detail at domain" are always delivered to INBOX
> regardless if "detail" mailbox already exists or lda_mailbox_autocreate=yes.
> 
> Anything else needed to enable lmtp_save_to_detail_mailbox feature?

Works fine with me. Do you have Sieve enabled? Set mail_debug=yes, what
does it log when delivering a mail?