On Sun, Dec 31, 2023 at 08:25:42PM +0100, toganm--- via Postfix-users wrote:

> >>>>> "VDvP" == Viktor Dukhovni via Postfix-users <postfix-users@postfix.org> 
> >>>>> writes:
> 
>     VDvP> So the "hostname" form does not use "[]", which are only for address
>     VDvP> literals. As for master.cf (master(5)), whether you need to add
>     VDvP> anything or not, depends on what's already there. An entry for the
>     VDvP> "lmtp" delivery agent is needed if you intend to use LMTP.
> 
> this is what I have so I should be OK, or do I need to specifiy the 
> inet:[address] instead of unix ?
> 
> lmtp      unix  -       -       n       -       -       lmtp

The LMTP nexthop syntax is for the transport(5) table or related
per-address-class defaults.  It is not for master.cf.  Do not
confuse internal Postfix service-to-service protocols with the
external protocols used to deliver mail out in delivery agents.

The queue manager communicates with all delivery via local IPC
(unix-domain sockets).  All Postfix services are of this same type.  The
only exceptions are:

    - One or more TCP listeners:

        smtp       inet  n       -       n       -       -       smtpd
        smtp       inet  n       -       n       -       1       postscreen
        submission inet  n       -       n       -       -       smtpd
        submissions inet n       -       n       -       -       smtpd
        628        inet  n       -       n       -       -       qmqpd

    - Possible SMTP service front-ended by "postscreen":

        smtpd      pass  -       -       n       -       -       smtpd

    - The postlog service, which listends on a single connectionless socket
      (and a process limit of 1) in order to ensure in-order logging:

        postlog    unix-dgram n  -       n       -       1       postlogd

-- 
    Viktor.
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