Re: [Exim] Reject log: "cannot route to sender"??

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Autor: Philip Hazel
Data:  
Para: Hugh Sasse
CC: EXIM users list
Assunto: Re: [Exim] Reject log: "cannot route to sender"??
On Mon, 25 Oct 1999, Hugh Sasse wrote:

> > "Cannot route" means "took the address, ran it through the directors
> > and/or routers as configured, and none of them could handle it". There
>
> Could the reason why it could not be handled be added in, then, as one
> gets good diags for a normal delivery failure or defer?


The problem is that it's "reasonS", not "reason". You may have a lot of
directors. Even with the default set, the full information might look
like

system_aliases failed to handle address - no match in /xxx/yyy
userforward failed to handle address - no such user
localuser failed to handle address - no such user

and if you were handling virtual domains and mailing lists as well it
could become a very long piece of text. Similarly for remote addresses
in cases when you have a number of different routers.

> If this
> would make the message too long, could you consider just adding an
> error number, when you revisit that RFC about error code returns (raised
> in the context of internationalisation earlier)? Well, if you decide
> to persue the concept of error numbers, anyway. :-)


I rather doubt that there are error codes which match all the different
circumstances.


-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Government Policy: If it ain't broke, fix it till it is.