> On 23. Sep 2019, at 18:58, Joerg Jung <m...@umaxx.net> wrote:
> 
> 
> 
>> On 18. Sep 2019, at 09:38, gil...@poolp.org wrote:
>> 
>> September 17, 2019 11:41 PM, "Edgar Pettijohn" <ed...@pettijohn-web.com> 
>> wrote:
>> 
>>> On Sep 17, 2019 9:05 AM, Gilles Chehade <gil...@poolp.org> wrote:
>>> 
>>>> Hello,
>>>> 
>>>> Is there anyone using table-passwd for _any_ other purposes than sharing
>>>> with Dovecot ?
>>>> 
>>>> I have built a fully virtual setup which shares credentials with Dovecot
>>>> and since I managed to do it _without_ table-passwd I'm wondering if the
>>>> table backend is really useful and if it was not created because soneone
>>>> had overlooked the first few lines of the Dovecot documentation stating:
>>>> 
>>>> "For a password database, it's enough to have only the user and password
>>>> fields."
>>>> 
>>> 
>>> Not actually using it, but for dovecot to use it as a userdb as well as a 
>>> passdb it needs the
>>> additional fields.
>>> 
>> 
>> ok so I'm misunderstanding the use-case, let me explain why I'm curious:
>> 
>> I wrote table-passwd because I was told that if you wanted to create a 
>> virtual setup,
>> backed by one single user, you needed to have a passwd(5)-format file for 
>> Dovecot and
>> share that with OpenSMTPD.
>> 
>> But then I did a fully virtual setup for myself and I didn't use 
>> table-passwd, so the
>> rationale behind it falls a bit apart for me, unless there's other use-cases.
>> 
>> On my setup, file /etc/mail/accounts is a simple two columns 
>> username/password table:
>> 
>> # head -1 /etc/mail/accounts.txt 
>> gil...@poolp.org:$2b$09$0ek9ozmo1u0mSsiRo/z2AumROLK.70T9A6bP3mFDqb38L0sC5RvT6
>> #
>> 
> [...]
>> 
>> This allows both OpenSMTPD and Dovecot to authenticate accounts that are not 
>> system
>> users, allows OpenSMTPD to drop mail to a maildir owned by system account in 
>> charge
>> of virtual accounts and allows Dovecot to properly serve these accounts.
>> 
>> Am I missing your use-cases here ?
>> 
> 
> Yes, this is perfectly fine for simpler cases, but as someone else 
> mentioned in this thread earlier already:
> Dovecot passdb knows about additional fields, in particular 
> to specify user specific quotas (usually rather important in 
> virtual user setups). table-passwd can handle/ignore these 
> extra_fields correctly. So my passwd file lines looks like this:
> f...@bar.de <mailto:f...@bar.de>:$2b$****::::::userdb_quota_rule=*:storage=10G

Just for reference, these “extra_fields" seem documented 
nowadays here:
https://doc.dovecot.org/configuration_manual/authentication/user_database_extra_fields/
https://doc.dovecot.org/configuration_manual/authentication/password_database_extra_fields/
 
<https://doc.dovecot.org/configuration_manual/authentication/password_database_extra_fields/>



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