This may very well be the case. I cannot say one way or another. When I
have seen this, it has always been the case that I am there fixing
something else and happen upon this problem, fix it and move on. I DO know
that I have seen it on boxes where the Guest account is disabled, but that
does not rule out the possibility that some other account was compromised.

> However, I would welcome any information that proves me otherwise.  i.e.
> configure these settings, with the guest account disabled, and prove
> that it actually will relay - not authenticated relay, that doesn't
> count.  If it is authenticated relay, it is because a password was
> compromised.=20
> 
> 
> Ben Winzenz
> Network Engineer
> Gardner & White
> (317) 581-1580 ext 418
> 
> 
> -----Original Message-----
> From: Ben Winzenz=20
> Posted At: Thursday, December 18, 2003 11:48 AM
> Posted To: Exchange (Swynk)
> Conversation: Open Relay/Spamcop
> Subject: RE: Open Relay/Spamcop
> 
> 
> I still think you are smoking crack on this, Greg.  I have never seen a
> properly configured Exchange 2000 server relay UNLESS a user account was
> compromised, or the guest account was enabled.  I've tested it and
> tested again, and never found Exchange to relay with those settings.=20
> 
> 
> Ben Winzenz
> Network Engineer
> Gardner & White
> (317) 581-1580 ext 418
> 
> 
> -----Original Message-----
> From: Greg Deckler [mailto:[EMAIL PROTECTED] Posted At: Thursday,
> December 18, 2003 11:37 AM Posted To: Exchange (Swynk)
> Conversation: Open Relay/Spamcop
> Subject: RE: Open Relay/Spamcop
> 
> 
> Hey, thanks for the confirmation. People have told me that I am smoking
> crack and that the Exchange servers were horribly misconfigured. It's
> nice to know that I am not smoking crack.
> 
> > I concur with greg ... our server had those settings and we were being
> 
> > used as a relay ... turned off "Allow all computers which successfully
> 
> > authenticate to relay, regardless of the list above." and that stopped
> 
> > it ...
> >=20
> > Mike
> >=20
> >=20
> >=20
> > -----Original Message-----
> > From: Greg Deckler [mailto:[EMAIL PROTECTED]
> > Sent: Thursday, December 18, 2003 11:17 AM
> > To: Exchange Discussions
> > Subject: Re: Open Relay/Spamcop
> >=20
> >=20
> > This may or may not be the problem, but I have seen spammers able to=20
> > relay off an Exchange server if the following configuration applies:
> >=20
> > 1. If "Anonymous access" is turned on. SMTP Virtual Server properties,
> 
> > Access page, Authentication. 2. And, "Allow all computers which=20
> > successfully authenticate to relay, regardless of the list above." is=20
> > checked. SMTP Virtual Server properties, Access page, Relay.
> >=20
> >=20
> >=20
> > > Hello All and Happy Holidays!
> > >=3D20
> > > I have a colleague whos Exchange 2000 server is being reported as=20
> > >Open
> >=20
> > > Relay by spamcop for the past month.  I have tested his relay =
> by=3D20
> 
> > >setting up a POP account in Outlook, putting the server that is=20
> > >being=3D20  reported as Open relay as my Outgoing SMTP server. =
> =3D3D20=20
> > >=3D20  When I try to send a message using Outlook, I get a return=20
> > >message
> > that
> > > 550 5.7.1 Unable to relay.      I am relieved that it could not
> relay.
> > > That is good, however, why then is spamcop still reporting it to=20
> > >be=3D20  open relay? =3D3D20 =3D20  I have checked (over the phone) =
> all his
> 
> > >Virtual SMTP Server settings=3D20  to verify correct configuration. =20
> > >Everything seems to be "checked" or=3D20  "unchecked" as recommended =
> by
> 
> > >Microsoft.
> > >=3D20
> > > We have Stopped/Started Services for SMTP =3D20  The Exchange 2000=20
> > >server is behind a NAT and I have looked into the=3D20  possibility =
> of=20
> > >this.  I have been out on the spamcop site and for the=3D20  life of =
> me
> 
> > >cannot find a way to make them check the server again to=3D20  see if =
> 
> > >it is closed relay like ORDB does. =3D3D20 =3D20  Any ideas or=20
> > >comments???? =3D3D20 =3D20 =3D20 =3D20  Samantha Bridges  =
> Communications=20
> > >Technician  Macomb Intermediate School District
> > > 44001 Garfield Road
> > > Clinton Township  MI  48038-1100
> > > (586) 228-3300
> > >=3D20
> > > [EMAIL PROTECTED]
> > > http://www.misd.net
> > >=3D20
> > >=3D20
> > > CONFIDENTIALITY NOTICE: This email message, including any=20
> > >attachments,
> >=20
> > > is for the sole use of the intended recipient(s) and may =
> contain=3D20=20
> > > confidential and privileged information. Any unauthorized review,=20
> > > use,
> >=20
> > > disclosure or distribution is prohibited. If you are not the=20
> > >intended=3D20  recipient, please contact the sender by reply email =
> and=20
> > >destroy all=3D20  copies of the original message.
> > >=3D20
> > > =3D3D20
> >=20
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