Is it possible to use per user keys with mail-crypt-plugin when using passwd-file backend?

[Aki Tuomi]

> On 20/03/2021 22:43 Davy Landman <davy.landman at gmail.com> wrote:
> 
> 
> I've been reading quite a bit of discussions, the manual and a few often linked posts about mail-crypt-plugin, but most of them seem to assume a sql db backing. But if you are using a passwd file userdb, is it possible to make the per-user-key mode of the mail-crypt-plugin work?
> 
> I like the trick of passing in the key via an extra calculated/virtual column in the query (even allows for hashing the password for example). But I cannot see how this can work with the passwd backing?
> 
> Any pointers would be appreciated.
> 
> Kind regards,
> Davy
> 
> 
> 

passdb {
  driver = passwd-file
  args = ...
  override_fields = userdb_mail_crypt_private_password=%{sha256:password} 
}

might work

Aki