On Monday 01 December 2003 6:57 am, Mark wrote:
What remains, is the the irony that the one situation where a bounce is
always arriving at the wrong address, is when that notification is in
response to the determination that the return-address is a forgery. :)
You could just return a 5xx code in response to the "MAIL FROM" command.
Most MTA's seem to mangle meaningful multiline responses so it is difficult to
provide a response that will be explanatory to ordinary users, but at least
this way you know the bounce goes back to the actual sender.
- Dan
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