--On 29 June 2010 13:24:28 +0100 David Woodhouse <[email protected]> wrote:
> On Tue, 2010-06-29 at 12:52 +0100, Jethro R Binks wrote: >> On Tue, 29 Jun 2010, Ian Eiloart wrote: >> >> > --On 29 June 2010 10:51:00 +0100 David Woodhouse <[email protected]> >> > wrote: >> > >> > > Users still won't bother to read them, and will prefer to ask a >> > > sysadmin who will have read the words on the user's screen to them, >> > > before the user actually understands. >> >> Some of those users have no interest in hearing the sysadmin read the >> words to them or having an understanding of what they mean; they are >> showing them to the sysadmin purely so that he'll do something to make >> the problem go away. > > It's often a problem which is entirely outside the realm of the local > sysadmin, though. It's almost always the _remote_ server which is > failing to accept the mail. > > Occasionally that might be because of a local problem, such as being on > a blacklist or lacking reverse DNS, that the local sysadmin can deal > with. Mostly it's not though. In our case, when we're failing to accept the mail, it's almost always because the sending server is misconfigured. >> > Well, that will often be the case. I'm just saying that a bounce >> > message has more chance of conveying useful information if its >> > created by the receiving server than the sending server. Why? Because >> > the best the sending server can do is try to interpret the SMTP >> > (enhanced?) error code, and wrap the SMTP error text. >> >> Not to mention that if you issue multi-line rejection messages, you may >> find that the sender receives back an error report with one of: >> >> 1. all of your carefully crafted lines; >> >> 2. the first line; >> >> 3. the last line; or >> >> 4. none of them, and to boot, an incorrect or misleading error message >> resulting from invalid assumptions by the sending server. > > In cases 2-4, I suppose it _is_ correct for the users to bug their > sysadmin, until such time as he/she fixes the mail server so that it > _does_ correctly cite the SMTP error. > > -- > dwmw2 -- Ian Eiloart IT Services, University of Sussex 01273-873148 x3148 For new support requests, see http://www.sussex.ac.uk/its/help/ -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
