Re: migration from 2.3 to 2.4 : postfix can't deliver via lmtp

Aki Tuomi via dovecot <[email protected]>
Newsgroups gmane.mail.imap.dovecot
Message-ID <472475360.6721.1774898215522@appsuite-pro-sync-core-mw-groupware-0.appsuite-pro-sync-core-mw-hazelcast-headless.appsuite-dev.svc.cluster.local>
> On 27/03/2026 14:18 EET Stefan G. Weichinger via dovecot <[email protected]> wrote:
> 
>  
> Am 27.03.26 um 12:34 schrieb Aki Tuomi:
> 
> >> I assume the 0777 etc aren't ideal.
> >>
> >> Suggestions welcome.
> >>
> >> But my basic setup seems to work now!
> 
> > 0666 would be safer if it works.
> 
> it works, thanks. I might switch to 0660 again a bit later and see.
> 
> Right now things work as far as I see and test ...
> 
> I only see this line:
> 
> tail -f /var/log/mail.err
> Mar 27 12:45:09 co dovecot: lmtp(1617792): Error: conn 
> unix:/run/dovecot/anvil: net_connect_unix(/run/dovecot/anvil) failed: 
> Permission denied
> Mar 27 12:50:58 co dovecot: lmtp(1624214): Error: conn 
> unix:/run/dovecot/anvil: net_connect_unix(/run/dovecot/anvil) failed: 
> Permission denied
> 
> hmm ... I never configured that one in my old config.
> 
> Any hints? yes, I promise to google as well, sure

Try adding

service lmtp {
  extra_groups = $SET:default_internal_group
}

Aki

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