Thorsten Glaser:
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> On Wed, 27 Feb 2013, Viktor Dukhovni wrote:
>
> > No, connection caching has nothing to do with concurrency. Whether
> > connections are cached, or not, Postfix will attempt parallel
> > delivery up to the configured concurrency limit:
>
> Hrm. Okay, lowering default_destination_concurrency_limit is certainly
> a viable workaround. I?m not the Postfix expert here, and he didn?t
> suggest it to me.
>
> > of the MX hosts for a destination is unreachable. The load on the
> > remote server is identical with and without connection caching.
>
> That?s untrue because it certainly makes a difference whether you
> send mails in parallel or serial, especially when the receiving
Connection caching has nothing to do with concurrency. Sheesh.
Wietse
