On Sat, Nov 13, 1999 at 11:45:59PM -0600, Bruce Guenter wrote:
> On Sun, Nov 14, 1999 at 01:08:20AM +0100, Florent Guillaume wrote:
> > With all the recent discussion about aggregating RCPTs for the same MX,
> > I took a look at qmail's code.
> >
> > It became clear quite fast that general aggregation was quite impossible
> > given the architecture.
>
> Note that this is due to the architecture of both qmail and SMTP. One
> of the problems with aggregation when using qmail is VERPs which change
> the envelope sender based on the destination address. This requires
> that each recipient be delivered seperately when using SMTP, and I am
> aware of no protocol that can deal with this adequately, never mind a
> MTA that can handle it.
QMTP would work fine. The VERP would be generated at the host translating
the QMTP message to SMTP messages (or local delivery). QMQP as well. Thus,
if you aggregate or a QMQP/QMTP server, you just leave the envelope sender
alone.
--Sincerely, Fred Lindberg
