postfix connects to dovecot lmtp socket, but nothing is delivered

[Aki Tuomi]

> On 05/01/2023 19:17 EET dovecot at ptld.com wrote:
> 
>  
> > service lmtp {
> > inet_listener lmtp {
> > address = 127.0.0.1
> > port = 24
> > }
> 
> > unix_listener /var/spool/postfix/private/lmtp {
> > mode = 0660
> > user = postfix
> > group = postfix
> > }
> 
> 
> Looks like you are activating both a socket and a port. Im not sure what dovecot does, does it bind to both or does it pick one and ignore the other. You only need to use one or the other.
> 
> And what does your postfix side look like? Where is postfix trying to connect? To the socket or the port? For using a socket postfix would look something like:
> 
>      virtual_transport = lmtp:unix:private/lmtp

This is a rare case where one should look at

`doveconf service/lmtp`

to see what the default listeners are.

Aki