> On 28/05/2025 12:33 EEST Brent Clark via dovecot <dovecot@dovecot.org> wrote:
>
>
> Hi all,
>
> I'm in the process of upgrading from Dovecot 2.3 to 2.4 and would
> appreciate some help translating an existing configuration that uses a
> proxy lookup for user and password databases.
>
> Here's the relevant 2.3 configuration:
>
> |passdb { driver =dict args =/etc/dovecot/dovecot-dict-auth.conf.ext }
> userdb { driver =dict args =/etc/dovecot/dovecot-dict-auth.conf.ext }
> uri= proxy:/var/run/mail_directory_service/socket:somewhere
> password_key= passdb/%u user_key= userdb/%u iterate_disable= yes |
>
> This configuration was working fine in 2.3 to proxy user and password
> lookups to an external service via a Unix socket. However, Dovecot 2.4
> has reworked configuration parsing, and this syntax no longer appears
> valid. I couldn’t find a direct equivalent in the 2.4 documentation.
>
> Could someone advise how this should be adapted for 2.4?
>
> What’s the correct way to specify the proxy: URI in 2.4?
>
> Are password_key and user_key still supported, or should I be using
> a different mechanism?
>
> Is iterate_disable = yes still relevant or required in this context?
>
> Any guidance, examples, or pointers to migration resources would be very
> helpful.
>
> Thanks in advance,
> Brent Clark
> Hi all,
> I'm in the process of upgrading from Dovecot 2.3 to 2.4 and would appreciate
> some help translating an existing configuration that uses a proxy lookup for
> user and password databases.
> Here's the relevant 2.3 configuration:
> passdb {
> driver =dict
> args =/etc/dovecot/dovecot-dict-auth.conf.ext
> }
> userdb {
> driver =dict
> args =/etc/dovecot/dovecot-dict-auth.conf.ext
> }
>
>
> uri = proxy:/var/run/mail_directory_service/socket:somewhere
> password_key = passdb/%u
> user_key = userdb/%u
> iterate_disable = yes
>
> This configuration was working fine in 2.3 to proxy user and password lookups
> to an external service via a Unix socket. However, Dovecot 2.4 has reworked
> configuration parsing, and this syntax no longer appears valid. I couldn’t
> find
> a direct equivalent in the 2.4 documentation.
>
> Could someone advise how this should be adapted for 2.4?
>
> What’s the correct way to specify the proxy: URI in 2.4?
>
> Are password_key and user_key still supported, or should I be using a
> different mechanism?
>
> Is iterate_disable = yes still relevant or required in this context?
>
> Any guidance, examples, or pointers to migration resources would be very
> helpful.
>
> Thanks in advance,
> Brent Clark
Hi!
Please see https://doc.dovecot.org/2.4.1/installation/upgrade/2.3-to-2.4.html
and
https://github.com/dovecot/tools/blob/main/dovecot-2.4.0-example-config.tar.gz,
hopefully these already help you forward.
Aki
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