Why is Novell Groupwise broken?

Gary Mills <mailto:mills@cc.umanitoba.ca> wrote:
> On Wed, Nov 30, 2005 at 02:50:48PM -0500, Ugo Bellavance wrote:
>> dcc-admin@rhyolite.com <mailto:dcc-admin@rhyolite.com> wrote:
>>> The e-mail server that I've had to whitelist for greylisting most
>>> frequently is Novell GroupWise Internet Agent.  It seems to ignore
>>> the temporary delivery failure response code, and assume that the
>>> message was successfully delivered.  The result is that the e-mail
>>> just disappears.  I have requested each site to notify Novell of the
>>> problem, but I suspect that most don't care to do so once I
>>> whitelist the site.  They also may not have sufficient
>>> understanding of the problem to file a definitive bug report.
>>> 
>>> Does anyone have a Novell Groupwise system that they could use to
>>> verify that it violates the SMTP standard for temporary failure
>>> after the DATA portion?  Could you do this and file a bug report
>>> with Novell?
>> 
>> See
> http://support.novell.com/cgi-bin/search/searchtid.cgi?/10084802.htm
>> 
>> (linked from http://projects.puremagic.com/greylisting/ at the
>> bottom) 
> 
> Thanks for the information.  Are you sure that this is the
> same problem?
> In the cases I've been dealing with, nothing is returned to the user,
> and no errors appear in the logs.

I'm not sure, and I don't have a GroupWise server to test this on,
unfortunately.

Regards