Fix lmtp_save_to_detail_mailbox to be case insensitive?

[Lucas Rolff]

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}