On Wed, May 28, 2025 at 12:53 PM Aki Tuomi via dovecot <dovecot@dovecot.org>
wrote:
> 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
You guys need to fix that example config archive!
root@eu:/home/wash/Mara.Cloud# wget https://github.com/dovecot/tools/blob/main/
dovecot-2.4.0-example-config.tar.gz
--2025-05-28 13:03:53-- https://github.com/dovecot/tools/blob/main/dovecot-
2.4.0-example-config.tar.gz
Resolving github.com (github.com)... 140.82.121.3
Connecting to github.com (github.com)|140.82.121.3|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: ‘dovecot-2.4.0-example-config.tar.gz’
dovecot-2.4.0-example-config.tar.gz [ <=>
] 172.85K --.-KB/s in 0.07s
2025-05-28 13:03:54 (2.57 MB/s) - ‘dovecot-2.4.0-example-config.tar.gz’ saved
[176999]
root@eu:/home/wash/Mara.Cloud# tar -zxvf dovecot-2.4.0-example-config.tar.gz
gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254 7 3200 0004/+254 7 2274 3223
In an Internet failure case, the #1 suspect is a constant: DNS.
"Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-)
[How to ask smart questions: http://www.catb.org/~esr/faqs/smart-
questions.html]
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