Robert Sweetnam wrote:
> Below are the headers of a delivery failure that I received a couple of
> weeks back, it appears that when replying to all from the list,
> intactsoftwares mail server seems to think that it is responsible for
> all @eircom.net addresses.
Haha haven't seen one of these in a while. Usually it means the
A site is using Exchange.
Exchange fetches all mail for a domain from a single POP account.
Exchange attempts to work out who to send the messages to by parsing the
To and Cc lines. I'm not kidding.
The admin has mis-configured Exchange to assume responsibility for
delivering to all addresses it finds, instead of just local ones.
Result - bounces and/or multiple deliveries.
Nick Murtagh <nickm at go2.ie>
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