At 11:35 AM 2/22/2005 +0100, Alex wrote:
On Tue, Feb 22, 2005 at 03:07:36AM -0700, David MacQuigg wrote:
> >Unless the IP gets an SPF PASS, the only way to do that is to issue an
SMTP
> >REJECT.
>
> If the IP address is recorded in a header, then a bounce could be sent
even
> *after* the SMTP session is closed. Seems to me that an ability to
relay a
> delayed bounce may be an unavoidable requirement if forwarders are
going to
> participate in an IP-authenticated transfer.
Why should a sending host also be a receiving host ?
Good point. The bounce should actually go to "postmaster@<sender's
domain>" where the sender's domain has been authenticated. Note: The
sender might actually be another forwarder, because we can't trust any
headers prior to that point, even if they say Authenticated.
-- Dave
************************************************************* *
* David MacQuigg, PhD * email: dmq(_at_)gain(_dot_)com * *
* IC Design Engineer * phone: USA 520-721-4583 * * *
* Analog Design Methodologies * * *
* * 9320 East Mikelyn Lane * * *
* VRS Consulting, P.C. * Tucson, Arizona 85710 *
************************************************************* *
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