Exchange blocking duplicate messages?

Julian Field mailscanner at
Fri Oct 3 18:38:26 IST 2003

At 18:29 03/10/2003, you wrote:
>On Fri, 2003-10-03 at 15:24, Hirsh, Joshua wrote:
> > Has anyone run into the case where an Exchange 5.5 server will block
> >messages with the same Message-ID field? In my case, if I release a
> >message
> >from the quarantine, some users will never get it. It appears that it's
> >because Exchange ignores the message since it already received one with
> >the
> >same Message-ID (which was sent notifying the user that the attachment
> >was
> >removed).
>I've certainly seen that behaviour with Exchange 2000.

Any proposed solutions to this problem?
Julian Field
Professional Support Services at
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