dovecot - May 2022 - Fix lmtp_save_to_detail_mailbox to be case insensitive?

Am 21.05.22 um 23:30 schrieb dovecot at ptld.com:
> Dovecot accepts the mail from postfix via LMTP. Dovecot already found the
valid recipient and accepted the email.
You need to make postfix pass the extension as lowercase to Dovecot.

See https://wiki.dovecot.org/LDA/Postfix :

An example using address extensions (ie user+extension at domain.com (don't 
forget to define the proper recipient_delimiter in Postfix's main.cf)) 
to deliver to the folder 'extension' in your maildir (If you wish to 
preserve the case of ${extension}, remove the 'hu' flags, ...

dovecot unix    -       n       n       -       -      pipe
   flags=DRhu user=vmail:vmail 
argv=/usr/local/libexec/dovecot/dovecot-lda -f ${sender} -d 
${user}@${nexthop} -m ${extension}

Wouldn?t it be ideal to link to a LMTP documentation page that describes how to
do the same thing under LTMP, and not link to LDA?
> On 22 May 2022, at 01:07, Daniel Lange <DLange at debian.org> wrote:
> 
> Am 21.05.22 um 23:30 schrieb dovecot at ptld.com:
>> Dovecot accepts the mail from postfix via LMTP. Dovecot already found
the valid recipient and accepted the email.
> 
> You need to make postfix pass the extension as lowercase to Dovecot.
> 
> See https://wiki.dovecot.org/LDA/Postfix :
> 
> An example using address extensions (ie user+extension at domain.com
(don't forget to define the proper recipient_delimiter in Postfix's
main.cf)) to deliver to the folder 'extension' in your maildir (If you
wish to preserve the case of ${extension}, remove the 'hu' flags, ...
> 
> dovecot unix    -       n       n       -       -      pipe
>  flags=DRhu user=vmail:vmail argv=/usr/local/libexec/dovecot/dovecot-lda -f
${sender} -d ${user}@${nexthop} -m ${extension}