Re: [exim] how to detect if address aliased?

--On Thursday, December 15, 2005 10:10 +0100 Jakob Hirsch <jh@???>
wrote:

> Ian Eiloart wrote:
>
>> It's for these reasons that we don't reject Message Submissions that pass
>> SMTP authentication. We bounce them to the authenticated user. That way,
>> we can give a much better explanation of the problem.
>
> That sounds sensible, given that your users read and understand bounce
> messages (from my experience, many do not).

They do need to be carefully worded. Preferably not by a techie.

> OTOH, some could be annoyed to get a bounce message after sending a 2 MiB
> message [1] (which takes a while with slow upstream), because of a
> mistyped recipient address, when they could be notified immediately. So it
> may be better to do that only on small messages (< some hundred KiB),

Well, I'd agree, but I've found that rejecting a message from an MUA simply
confuses, too. For the reasons already discussed. Do we know the message
size before DATA?

> but
> that may not be relevant for a university with everybody connected by LAN.

:)


>
>
> [1] I know that it's technically not very senseful to send large files by
> mail, but users don't care much about that.



--
Ian Eiloart
Servers Team
Sussex University ITS