The % thing was a sendmail bug which caused it to relay mail before it
was patched. There's nothing to stop. [EMAIL PROTECTED] is just
as valid of a nonexistent address as any other. 

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:bounce-
> [EMAIL PROTECTED] On Behalf Of Kim Schotanus
> Posted At: Thursday, September 02, 2004 12:10 PM
> Posted To: swynk
> Conversation: relay problems
> Subject: RE: relay problems
> 
> I certainly don't find anything in my logs.
> First they said they tought they had seen a loop and then they told me
> we were spamming and it took me a whole day on the phone to convince
> them we were not.
> 
> They didn't tell me how they came to the conclusion nor could they
give
> me any explanation why we were not contacted before they took such
> steps. This will certainly be followed up, but I still wonder if I
> cannot stop the %-thing
> 
> Kim.
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
Paul
> Hutchings
> Sent: donderdag 2 september 2004 19:03
> To: Exchange Discussions
> Subject: RE: relay problems
> 
> 
> Christ.. well maybe I'm overlooking something as it's been a while
since
> our Exchange 5.5 box's smtp was exposed to the internet, but I'd hope
> they've done it on something a bit more concrete than that tester?
> 
> Why did they say they did it?
> 
> Are you sure you've not been relaying, or had a username/password
> exploited and been used to relay?
> 
> cheers,
> Paul
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] Behalf Of
Kim
> > Schotanus
> > Sent: Thursday, September 02, 2004 5:59 PM
> > To: Exchange Discussions
> > Subject: RE: relay problems
> >
> >
> > They blocked all our outgoing mail since yesterday 12 untill
> > 20 minutes
> > ago
> >
> >
> > Kind regards,
> > Kim Schotanus
> > ===========================
> > Kim Schotanus
> > Information Systems Manager
> >
> > INTAS
> > Avenue des Arts 58
> > B-1000 Brussels
> > Belgium
> >
> > T. +32 2 549 01 11
> > F. +32 2 549 01 56
> >
> > ===========================
> >
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of Paul
> > Hutchings
> > Sent: donderdag 2 september 2004 18:53
> > To: Exchange Discussions
> > Subject: RE: relay problems
> >
> >
> > The mail goes to YOUR postmaster account, doesn't go outside of the
> > company (i.e is not relayed) but your ISP classes you as an open
> > relay?!?
> >
> > regards,
> > Paul
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]
> > Behalf Of Kim
> > > Schotanus
> > > Sent: Thursday, September 02, 2004 5:50 PM
> > > To: Exchange Discussions
> > > Subject: relay problems
> > >
> > >
> > > I tested on http://members.iinet.net.au/~remmie/relay/
> > >
> > > I tested my server with this tool and found that if the @-sign is
> > > replaced with an % then it accepts mail, but delivers it to the
> > > postmaster. Our ISP now wnats to block us because for them
> > we are open
> >
> > > relay. Anything I can do?
> > >
> > > Kind regards,
> > > Kim Schotanus
> > > ===========================
> > > Kim Schotanus
> > > Information Systems Manager
> > >
> > > INTAS
> > > Avenue des Arts 58
> > > B-1000 Brussels
> > > Belgium
> > >
> > > T. +32 2 549 01 11
> > > F. +32 2 549 01 56
> > >
> > > ===========================
> > >
> > >
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