Re: Configuration upgrade tool

On 2026-01-28 09:07, Aki Tuomi via dovecot wrote:
> Hi!
>
> To make migrating from Dovecot 2.3 to 2.4 a bit easier, we are now providing a tool that helps upgrade your existing configuration. The tool allows you to upload either a full dovecot.conf or selected ancillary configuration files from a 2.3 setup, and will attempt to convert them accordingly.
>
> You can find the tool here:
> https://dovecot.org/upgrader/
>
> We do not store any of the configurations processed by the tool, nor do we track who uses it. It's offered as-is, without any warranty or guarantee.
>
> If you run into any issues, unexpected results, or have feedback about the tool, please let us know — it’s very much appreciated.
>
> Please note that the tool can make mistakes, so we strongly recommend carefully reviewing and testing the output before using it in production.
>
> There are currently no plans to release this tool as open source.
>
> Regards,
> Aki Tuomi
> Open-Xchange oy
>

Hello Aki,

I found some bugs with my config in the upgrade tool. Hope I mentioned 
all of them. I can retest when fixed.

# Conversion tool problems on 7.2.2026:

################################################################################
userdb {
   args = username_format=%n /etc/dovecot/users
   driver = passwd-file
}
=>
userdb passwd-file {
   driver = passwd-file
   passwd_file_path = /etc/dovecot/users
   # error here
   # username_format: Unknown setting: username_format 
(userdb_username_format or userdb_passwd-file_username_format not found 
either.)
   username_format = %{user | username}
}

################################################################################
plugin {
   sieve = ~/.dovecot.sieve
   sieve_after = /etc/dovecot/sieve_after.sieve
   sieve_dir = ~/sieve
}

=>

# must be sieve_script with other parameters
# Unknown section name: sieve
sieve personal {
   driver = file
   path = ~/sieve
}

# must be sieve_script with other parameters
# Unknown section name: sieve
sieve after-0 {
   driver = file
   path = /etc/dovecot/sieve_after.sieve
   type = after
}

################################################################################
protocol lda {
   mail_debug = yes
=>
# error here:
# Invalid log_debug: event filter: syntax error, unexpected '=', 
expecting end of file
log_debug = filter=category=mail

################################################################################
ssl_prefer_server_ciphers = yes
=>
# Error here
# prefer_ciphers: Invalid value: yes
prefer_ciphers = yes

Thnx.

Ciao,

Gerhard

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