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Re: 4xx responce from a remote delays *all* mail to that host?

On Mon, Mar 13, 2000 at 12:47:06PM +0300, Eugene Crosser wrote:
> I noticed that currently (CVS version) if zmailer gets 4xx code while
> trying to deliver any message to a remote relay, then *all* mail
> queued to the same relay gets delayed.  It it intentional?  It seems
> to cause unwanted results: these days many MTAs respond 45x if they
> cannot resolve domain in MAIL FROM:.  So, if for some reason a
> message with such unresolvable from domain appeares in the queue,
> all mail to the same relay is hold.  Any comment?

	It is semi-intentional.
	Well, not quite.

	Intention was to spend as little effort on poorly responding
	systems as possible, but the way to signal connection failure
	and MAIL FROM 4** are too similar :-/

> Eugene

/Matti Aarnio	<mea@nic.funet.fi>