On Tue, 2 Apr 2002, Wietse Venema wrote:

> In other words, the following should be possible:
>
> smtp1-cleanup1-qmgr1-filter-smtpd2-cleanup2-qmgr2-smtp
>
> with a lot of stuff in master.cf.
>

IMHO it is going to be *much* harder to understand, document, upgrade and
support such a beast as compared with separate instances of Postfix with
separate main.cf/master.cf files.

How is post-install going to know about the multiple queue directories for
the multiple queue managers? The "master" process itself is quite small
and having separate masters allows for locally simpler configurations
and supports separate debug/stop/start/reload. I would like to suggest
that in the interests of sanity there should be exactly one queue manager
per (full blown) Postfix instance.

Having multiple smtpd/cleanup pairs makes sense, because the separation
between smtpd and cleanup is somewhat artificial, they work as a unit
during the SMTP transaction to accept a message into the "incoming" queue.

-- 
	Viktor.
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