On 01/23/03 at 18:22, Chris Ellens opined:
> Bill Cole wrote:
>
> >But the recipient is not a foreign domain. It's someone you
> >explicitly choose to route mail for. You route mail for all of *.com
> >to NULL. That makes the recipient ( someone in *.com ) a client of
> >sorts. SIMS sees any address that is routed explicitly (except to
> >ERROR) as an address whose mail it should accept.
>
> Ahhhh - that explains it. Thanks Bill (and LuKreme).
>
> So without the "*.com = NULL" entry in my router, SIMS would have
> rejected the message as being an attempted relay.
Yes. Routing it to error would have also resulted in a bounce, even if the
message had been addressed to a local recipient.
> If I understand your comment above, having the entry
>
> *.com = ERROR
>
> would would also bounce the message (although I expect the reason
> text might be different).
The point that everyone has been trying to make in this thread is that
routing to NULL does NOT bounce messages, so yes, the reason given for not
relaying will be different. Messages routed to NULL are accepted and then
directed off into the Great Void without the sender being any the wiser. If
you wish to have messages bounced based on naughty return-paths, you must
route them to ERROR.
> No I'm not planning to actually have that entry in my router, its
> just a hypothetical question to make sure I (and anyone else reading
> this) understand how SIMS behaves. (The archive of this mailing list
> serves as valuable documentation for SIMS).
--
Christopher Bort | [EMAIL PROTECTED]
Webmaster, Global Homes | [EMAIL PROTECTED]
<http://www.globalhomes.com/>
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