How to enable LDAP authentication for schema SSHA384

[Alexander Dalloz]

Am 07.11.2021 um 14:35 schrieb Ralph Seichter:
> While using LDAP-based authentication, I have come across the message
> 
>    auth: Error: [...] Unknown scheme SSHA384
> 
> Based on the docs at [1] I use the dovecot.org packages provided for
> Ubuntu 20.04 LTS which, as you can see, are not yet documented in the
> HTML page, put are available via [2]. Specifically, I used
> 
>    apt-get install dovecot-ldap dovecot-sqlite
> 
> to install Dovecot. What else is needed beyond the two listed packages
> in order to enable support for SSHA384 password hashes in Dovecot? Am I
> perhaps missing some required configuration parameter? Your help is
> appreciated.
> 
> -Ralph
> 
> [1] https://doc.dovecot.org/installation_guide/dovecot_community_repositories/ubuntu_packages/
> [2] http://repo.dovecot.org/ce-2.3-latest/ubuntu/focal/

Don't know about Ubuntu specifics, but

https://doc.dovecot.org/configuration_manual/authentication/password_schemes/#sha-based-schemes-also-see-below-for-libc-s-sha-support

and

https://www.openldap.org/faq/data/cache/1467.html

might help.

Alexander