[Dovecot] lmtp_save_to_detail_mailbox not working?

[Oscar del Rio]

On 05/ 8/12 08:30 PM, Timo Sirainen wrote:
> 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?
>

After some more debugging, my problem seems to be sendmail not passing 
+detail and not a dovecot problem.
I will check what's needed to work with sendmail.
Thanks for the prompt reply and sorry for the noise.