RE: SMTP setup for connecting through Firewall
From: Kenny Wood (Kenwood_at_online.microsoft.com)
Date: 01/09/05
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Date: Sun, 09 Jan 2005 01:47:39 GMT
Hello and thank you for your post.
How are these other workstations sending email (Outlook RPC, SMTP, POP3, IMAP4)? It
sounds as if they are some type of SMTP client, but just checking. If they are an SMTP client,
configure them to authenticate to the SMTP server, but remember that you are sending user
names and password clear text (to resolve this apply a TLS cert to transport protocols).
829721 How to Help Protect SMTP Communication by Using the Transport Layer
http://support.microsoft.com/?id=829721
823019 How to Help Secure SMTP Client Message Delivery in Exchange 2003
http://support.microsoft.com/?id=823019
As for configuring Outlook, if you don't use IPSEC you have to open several ports through your
firewall:
280132 XCCC: Exchange 2000 Windows 2000 Connectivity Through Firewalls
http://support.microsoft.com/?id=280132
278339 TCP/UDP ports used by Exchange 2000 Server
http://support.microsoft.com/?id=278339
270836 Exchange 2000 and Exchange 2003 static port mappings
http://support.microsoft.com/?id=270836
298369 How to Configure a Global Catalog Server to Use a Specific Port When
http://support.microsoft.com/?id=298369
Also read these:
821746 HOW TO: Prevent Unsolicited Commercial E-Mail in Exchange 2003
http://support.microsoft.com/?id=821746
278339 TCP/UDP ports used by Exchange 2000 Server
http://support.microsoft.com/?id=278339
Kenny Wood
CISSP, MCSE (+S, +M)
PSS Security
Microsoft Corporation
-- This posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm Note: For the benefit of the community-at-large, all responses to this message are best directed to the newsgroup/thread from which they originated. -------------------- Thread-Topic: SMTP setup for connecting through Firewall thread-index: AcT0+7hFSVGGBBseQ9m7HEiAtjOgZA== X-WBNR-Posting-Host: 65.221.166.7 From: "=?Utf-8?B?Skg=?=" <JH@discussions.microsoft.com> Subject: SMTP setup for connecting through Firewall Date: Fri, 7 Jan 2005 12:59:03 -0800 Lines: 8 Message-ID: <5C639E17-92EA-47EC-8283-4EC6ED83FA1C@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset="Utf-8" Content-Transfer-Encoding: 7bit X-Newsreader: Microsoft CDO for Windows 2000 Content-Class: urn:content-classes:message Importance: normal Priority: normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.0 Newsgroups: microsoft.public.exchange2000.protocols NNTP-Posting-Host: TK2MSFTNGXA03.phx.gbl 10.40.1.29 Path: cpmsftngxa10.phx.gbl!TK2MSFTNGXA03.phx.gbl Xref: cpmsftngxa10.phx.gbl microsoft.public.exchange2000.protocols:8028 X-Tomcat-NG: microsoft.public.exchange2000.protocols We have Exch 2003 on the internal portion of our network no frontend server. My internal clients send mail fine, however I have workstations placed in lower secure DMZ's that need to send mail through my server. They can do this fine only if I select both Anonymous and IW authentication. My question is how can I allow my clients to authenticate to my server without having Anonymous authentication selected. I read were I could open all the standarded ports used and assign static port on the GC, would that be my only solution??..
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