That is because I have to with how the network is setup and I cannot change that. The University that we get our network services from allows all machines to have a real IP.. Nothing I can do about that... As we are getting ready to move over to our own network we will have the box inside our firewall and this will not be an issue, but until that happens.. I have to find a way to block Exchange from accepting traffic from anything but my gateway box...
-----Original Message----- From: Randal, Phil [mailto:[EMAIL PROTECTED] Sent: Tuesday, November 23, 2004 9:13 AM To: Exchange Discussions Subject: RE: Simple question about IMS Simple answer... Firewall. Longer answer... Have a good look at your network topology and ask yourself why that exchange server is visible to the outside world at all. Phil ---- Phil Randal Network Engineer Herefordshire Council Hereford, UK > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Weathersby, Bryce > Sent: 23 November 2004 15:08 > To: Exchange Discussions > Subject: Simple question about IMS > > Ok Guys n gals.. This maybe a dummy question but here goes... > > > We have a mail gateway product and I have implemented it with no > problems.. > Now my boss has come to me stating he is getting email that should be > filtered. I looked and sure enough he is, and after checking the > headers, they spammer is sending straight to the Exchange Box. > > I need to know how my Exchange 5.5 box can be setup to ONLY receive > email from my Mail gateway. Biggest problem is that the Exchange box > has a real routable IP and no way to change that... > > Thanks > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange > To subscribe: http://e-newsletters.internet.com/discussionlists.html/ > To unsubscribe send a blank email to > [EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > To unsubscribe via postal mail, please contact us at: > Jupitermedia Corp. > Attn: Discussion List Management > 475 Park Avenue South > New York, NY 10016 > > Please include the email address which you have been contacted with. > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange To subscribe: http://e-newsletters.internet.com/discussionlists.html/ To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with. _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange To subscribe: http://e-newsletters.internet.com/discussionlists.html/ To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with.
