RE: RES: SMTP Message Screener
- From: "Alexander Rayborn" <alexander@xxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Sat, 29 Dec 2001 21:50:13 -0600
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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