Philip Hazel <[EMAIL PROTECTED]> (Do 18 Aug 2005 10:19:54 CEST):
> On Thu, 18 Aug 2005, Heiko Schlittermann wrote:
> 
> > If I'm right, that it's general question?  How to return errors from
> > transport?  (Since it seems to apply to SMTP errors as well: The error
> > message bounced to the sender isn't really informative....)
> 
> Sigh. Take a look at smtp_return_error_details. In the past, people 
> objected to the level of detail that Exim was returning (possibly 
> exposing internal information), so the default is now to send less.

Yep.  If that option works as I want than it's exactly what I was
looking for.  Thank you.  (I tried to find several patterns in google
and specs, but w/o success....)

But -- 

even with no_smtp_return_error_details I see bounce messages like
(recipient of the original message is not local, we just have to
forward the mail to some other host)

    A message that you sent could not be delivered to one or more of its
    recipients. This is a permanent error. The following address(es) failed:

      [EMAIL PROTECTED]
        SMTP error from remote mail server after RCPT TO:<[EMAIL PROTECTED]>:
        host xxxxxxxx.xxx.xxxxxxxxx.xx [xxx.xx.x.xx]:
        550-Verification failed for <[EMAIL PROTECTED]>
        550-Previous (cached) callout verification failure
        550 sender address <[EMAIL PROTECTED]> can't be verifed

but on the other hand (local recipient of the original message (error
was triggered due to NUL chars on LMTP transfer to cyrus)

    A message that you sent could not be delivered to one or more of its
    recipients. This is a permanent error. The following address(es) failed:

      [EMAIL PROTECTED]
        (generated from [EMAIL PROTECTED])




While writing this: So does exim differentiate here between local
delivery errors (no details to sender) and remote delivery errors
(details to sender)?


    Best regards from Dresden
    Viele Grüße aus Dresden
    Heiko Schlittermann
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