postfix connects to dovecot lmtp socket, but nothing is delivered

[Gerben Wierda]

Hmm: according to the documentation, the default is "imap pop3 lmtp"

But my installation (2.3.20, Alpine apk) for some reason only ran "imap" by default

G

> On 5 Jan 2023, at 21:27, Gerben Wierda <gerben.wierda at rna.nl> wrote:
> 
> Boy do I feel stupid.
> 
> protocols was not set in the new version's dovecot.conf. And default it only contains imap. My old server had an override in dovecot.conf and I copied conf.d over but started with afresh dovecot.conf, so lmtp was missing.
> 
> G
> 
>> On 5 Jan 2023, at 18:39, Gerben Wierda <gerben.wierda at rna.nl <mailto:gerben.wierda at rna.nl>> wrote:
>> 
>>> On 5 Jan 2023, at 18:17, dovecot at ptld.com <mailto: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
>>> 
>> 
>> I removed the tcp port for now.
>> 
>> / # doveconf service/lmtp
>> service lmtp {
>>   chroot = 
>>   client_limit = 1
>>   drop_priv_before_exec = no
>>   executable = lmtp
>>   extra_groups = $default_internal_group
>>   group = 
>>   idle_kill = 0
>>   privileged_group = 
>>   process_limit = 0
>>   process_min_avail = 0
>>   protocol = lmtp
>>   service_count = 0
>>   type = 
>>   unix_listener /var/spool/postfix/private/dovecot-lmtp {
>>     group = mail
>>     mode = 0660
>>     user = postfix
>>   }
>>   unix_listener lmtp {
>>     group = 
>>     mode = 0666
>>     user = 
>>   }
>>   user = 
>>   vsz_limit = 18446744073709551615 B
>> }
>> 
>> postfix config:
>> 
>> mailbox_transport = lmtp:unix:private/dovecot-lmtp
>> virtual_transport = lmtp:unix:private/dovecot-lmtp
>> 
>> I had confused postfix's own lmtp socket with dovecot's, which was originally named dovecot-lmtp but when it wasn't created I though my config was wrong.
>> 
>> What seems to happen is that /var/spool/postfix/private/dovecot-lmtp isn't created by dovecot at launch, but /var/spool/postfix/private/auth is
>> 
>> G
> 

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