...... Original Message .......
On Tue, 22 Feb 2005 15:28:11 -0700 David MacQuigg wrote:
At 09:55 PM 2/22/2005 +0000, you wrote:
Are we in agreement that bounces may come *after* a forwarder's SMTP
session is closed? To repeat my earlier statement: A bounce might come as
late as several hours, when the recipient hits a "Reject as Spam" button.
That reject should be treated as a "bounce" and follow authenticated
addresses all the way back to its source.
No. Not generally. The only time you can bounce without causing
backscatter is if SPF passed.
Scott K