LMTP Post login script for acl_groups

[Aki Tuomi]

> On 28/08/2019 21:01 R.N.S. via dovecot <dovecot at dovecot.org> wrote:
> 
>  
> > Am 28.08.2019 um 19:46 schrieb Jakobus Schürz via dovecot <dovecot at dovecot.org>:
> > 
> > I think, i had the same problem as you.
> > 
> > When dovecot runs lmtp, no user is logged in, so there is no user from
> > which you can get groups. So i think, my solution is (not really sure,
> > if this is right, it's a long time ago, i played around) this transport
> > in exim for local delivery
> > 
> > dovecot_delivery:             
> >   debug_print = "T: dovecot_delivery_pipe for $local_part@$domain
> > translates to GET_LOCAL_MAIL"
> >   driver = pipe               
> >   command = /usr/lib/dovecot/deliver -d "GET_LOCAL_MAIL"
> >   message_prefix =
> >   message_suffix =
> >   delivery_date_add
> >   envelope_to_add             
> >   return_path_add             
> >   log_output
> >   user = MAILUSER
> >   group = MAILUSER
> > 
> > I have a really sophisticated setup with ldap... so GET_LOCAL_MAIL and
> > MAILUSER are makros which get the email-adress and the mailuser for the
> > receiving emailadress.
> > 
> > GET_LOCAL_MAIL could be $local_part@$domain
> > MAILUSER is vmail in my setup, the user who owns all mailboxes
> > 
> > /usr/lib/dovecot/deliver is an alternative for the lmtp-delivery.
> 
> Unfortunately this way Postfix and Dovecot need to run on the same host.
> 
> I wonder, if this is a LMTP or Sieve issue. Maybe something can be done in sieve configuration to solve this?
> 
> Is there nobody from @Dovecot who could give some feedback :-) please :-)
> 
> Thanks
> 
> Christian

It could be possible to solve this with auth lua script that would allow returning the acl groups as a string, instead of using post-login script.

Aki