bounces to root

[Raphael Langerhorst]

On Monday 12 December 2005 07:52, Raphael Langerhorst wrote:
> Hi all,
>
> I have an issue with "Undelivered Mail Returned to Sender" bounces to
> root at kolab.my.domain which have an empty sender field. These happen
> repeatedly (every 2-5 minutes) after a mail has been sent - sending works
> actually, the mail is received at the other end.
>
> The setup currently looks like the following:
> kolab is configured to send mail to the internet, but the MX record of the
> domain is still set to a different machine - so this might be an issue for
> "delivery reports" of the mail system in general(??).
>
> Attached is the log. Do you know where these "bounces" come from? Any
> solution?
>
> Thanks a lot!

... here is some more info:
we are using Kolab2 2.0.1 (with first security update) on FreeBSD 5.4/i386

Regards,
Raphael