RE: RES: SMTP Message Screener

Well, that doesn't count!  You have to send it from an external
Outlook/Exchange client to make it happen :)  And that's an Exchange
server that is not published on your ISA server... I mean a system that
is completely independent of yours.  Send me an email address I can use,
I'll prove it.

--Alexander

> -----Original Message-----
> From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx] 
> Sent: Saturday, December 29, 2001 1:02 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: RES: SMTP Message Screener
> 
> 
> http://www.ISAserver.org
> 
> 
> Hi Alexander,
> 
> No, no no!  The Outlook client was on an external network. It 
> was configured to use the published IIS SMTP Server/Message 
> Screener as its SMTP server. So, then incoming mail was being 
> sent from the external Outlook client, to the published IIS 
> SMTP server, which is configured relay messages to the remote 
> domain to the internal Exchange Server. Of course, the 
> message was not relayed because the .vbs was blocked and 
> placed the BADMAIL folder.
> 
> I haven't tested it yet by having an external Exchange Server 
> forward the mail to the published IIS SMTP server. Ran out of time :-)
> 
> Thanks!
> 
> Tom
> www.isaserver.org/shinder
> 
> 
> -----Original Message-----
> From: Alexander Rayborn [mailto:alexander@xxxxxxxxxxxxxxxx] 
> Sent: Saturday, December 29, 2001 8:50 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: RES: SMTP Message Screener
> 
> http://www.ISAserver.org
> 
> 
> Tom...
> 
> The bug won't work from your own internal network because, as 
> you say, RPC doesn't use SMTP.
> 
> Send me an email address privately that I can send a .vbs 
> file to from my Outlook/Exchange... I'll bet you money that 
> the message gets through.
> 
> --Alexander
> 
> > -----Original Message-----
> > From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
> > Sent: Saturday, December 29, 2001 12:43 AM
> > To: [ISAserver.org Discussion List]
> > Subject: [isalist] RE: RES: SMTP Message Screener
> > 
> > 
> > http://www.ISAserver.org
> > 
> > 
> > Hi Alexander,
> >  
> > I tested this out this evening to see what the deal is. I
> > configured Outlook 2002 to be a SMTP/POP3 mail client. I 
> > configure the SMTP service on the ISA Server itself to act as 
> > a mail relay to the internal Exchange 2000 server. I 
> > configured the Message Screener on the IIS SMTP service 
> > running on the ISA Server itself.
> >  
> > When I sent a message from the Outlook POP/SMTP client with a
> > .vbs file (configured to be blocked by the Message Screener 
> > on the ISA Server itself), the file was indeed blocked and I 
> > found it in the BADMAIL folder. I also tried it with Outlook 
> > Express, and it worked fine there too.
> >  
> > My question is, are you configuring the Outlook client to be
> > a RPC client and allowing it to access the Exchange Server 
> > via an RPC Server Publishing Rule? If that's the case, then 
> > the Message Screener won't work, because SMTP is not being 
> > used. Otherwise, as long as you use the SMTP relay (which I 
> > ALWAYS recommend, never would I ever put the Message Screener 
> > on the Exchange Server), it works great.
> >  
> > HTH,
> > Tom
> > www.isaserver.org/shinder <http://www.isaserver.org/shinder>
> 
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