Re: Config parser bug?

So. If a variable does not show up in doveconf, either by never being 
set, or by being unset, is there a reason it would be set differently in 
other parts of the code?

--Pat

On 2026-08-21 16:46, Pat Suwalski via dovecot wrote:
> That is precisely why I wanted to unset the global config variable.
> 
> But that doesn't work. Thus my email.
> 
> Why does unsetting not work?
> 
> --Pat
> 
> 
> On August 21, 2026 3:24:42 p.m. EDT, Michael Slusarz <[email protected]> wrote:
>>> On 08/21/2026 12:47 PM MDT Pat Suwalski via dovecot <[email protected]> wrote:
>>>
>>> I recently upgraded my servers from Debian Bullseye to Trixie (2.3 -> 2.4).
>>>
>>> I have a pretty basic config, though I use Maildir instead of Debian's
>>> default of mbox.
>>>
>>> In the process of getting things working correctly for the new config
>>> format, I believe I have stumbled on a bug.
>>>
>>> To make the inbox work correctly, I need the mail_inbox_path variable to
>>> be unset. This is because the default shipped 10-mail.conf file from
>>> Debian has:
>>>
>>>     mail_driver = mbox
>>>     mail_home = /home/%{user | username}
>>>     mail_path = %{home}/mail
>>>     mail_inbox_path = /var/mail/%{user}
>>>
>>> So, I overrode the mail_driver and mail_path in my local.conf. From the
>>> documentation, it seems like I should be able to set:
>>>
>>>     mail_inbox_path =
>>>
>>> And that should clear it. Certainly, doveconf shows no mail_inbox_path
>>> variable set when that happens. However, no inbox! If I comment out
>>> mail_inbox_path from 10-mail.conf, doveconf output is identical, however
>>> the inbox works.
>>>
>>> My workaround is to make it the same as mail_path:
>>>
>>>     mail_inbox_path = ~/Maildir
>>>
>>> However, I think the variable unsetting is buggy.
>>
>> See https://doc.dovecot.org/2.4.4/core/summaries/settings.html#mail_inbox_path , specifically the WARNING box.
>>
>> michael
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