[spambayes-dev] RE: Delivery Status Notification (Failure)

[Barry Warsaw]

On Wed, 2004-09-22 at 03:09, Seth Goodman wrote:
> > From: Neil Schemenauer
> > Sent: Wednesday, September 22, 2004 1:45 AM
> > To: spambayes-dev at python.org
> > Subject: Re: [spambayes-dev] RE: Delivery Status Notification (Failure)
> >
> >
> > [Seth]
> > > I'm still curious why only a few of the list postings get
> > > distributed with a VERP address and the rest don't.  Any idea on this?
> >
> > It is a feature of Mailman.  It uses VERP so it can detect dead
> > addresses but doesn't always use it in order to conserve bandwidth.
> > How much bandwidth is saved is open for debate.  Mailman has an
> > option to enable VERP for every delivery.
> 
> That's a curious feature, and I agree it is debatable if it saves any
> significant bandwidth.
> 
> The other odd behavior of this list is that it sets Sender: to the
> return-path, even when it uses a VERP address, rather than the address of
> the list owner.  This makes for a pretty unusual display of originating
> address in the MUA when the return-path is a VERP address.  Is that also
> configurable?
> 
> --
> 
> Seth Goodman
> 
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> spambayes-dev at python.org
> http://mail.python.org/mailman/listinfo/spambayes-dev
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