Security Basics mailing list archives
RE: email gateway (transparent)
From: "Shawn Jackson" <sjackson () horizonusa com>
Date: Tue, 11 Nov 2003 15:28:10 -0800
We currently are working with two solutions: OpenBSD 3.4/SpamAssassin/SophosAV/Postfix and Amavis-new Red Hat Linux 9.0/SpamAssassin/SophosAV/Postfix and Amavis-new The reason there the second MTA is RHL instead of OpenBSD is due to the RAID card in the ML330 is no supported in OpenBSD. A great document for this solution is located at: http://lawmonkey.org/anti-spam.html The OpenBSD box will run on practically anything and have great pass-through performance. The RHL box is more of a Ram/HDD hog, so take that into account. With the default SA config, we had no false positives and around 98% successful spam capture. I'm more of a Windows man by profession but I don't trust Windows boxes on the Internet and won't place any there if I can avoid it. As for a Zero-configuration, that's a Windows-World lexicon, some *NIX systems (i.e. a Red Hat installation) have neared Zero-Config, but that's few and far between. Coupled with other tools like MRTG and Nagios, monitoring and management of those MTA's is far easier then getting Exchange to route email correctly. Shawn Jackson Systems Administrator Horizon USA 1190 Trademark Dr #107 Reno NV 89521 www.horizonusa.com Email: sjackson () horizonusa com Phone: (775) 858-2338 (800) 325-1199 x338 -----Original Message----- From: Duston Sickler [mailto:dustons () charter net] Sent: Tuesday, November 11, 2003 11:28 AM To: ibnmaja al-andlusi; security-basics () securityfocus com Subject: Re: email gateway (transparent) I work in a Windows only world but we have had great success with Symantec AntiVirus for SMTP Gateways. It is blocking well over 95% of our Spam as well as filtering all the mass mailing worms in the wild from getting to our users. Duston Sickler CompTIA A+ Certified ----- Original Message ----- From: "ibnmaja al-andlusi" <fedorian68 () yahoo co uk> To: <security-basics () securityfocus com> Sent: Saturday, November 08, 2003 1:14 PM Subject: email gateway (transparent)
hello everyone, I would like to know the feasiability of implementing a transparent email gateway to catch virues, and spam between the network, and the firewall? is there such a thing that has zero configuration, any hints/howtos would be much apperciated, I would rather stick to an open source solution based on linux TIA W.A.
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Current thread:
- email gateway (transparent) ibnmaja al-andlusi (Nov 10)
- Re: email gateway (transparent) Duston Sickler (Nov 11)
- Re: email gateway (transparent) Nick Warr (Nov 13)
- Re: email gateway (transparent) Steve (Nov 13)
- <Possible follow-ups>
- RE: email gateway (transparent) Randy Golly (Nov 10)
- RE: email gateway (transparent) Shawn Jackson (Nov 13)
- email gateway (transparent) mig igen (Nov 13)
- RE: email gateway (transparent) Filip Maertens (Nov 13)
- RE: email gateway (transparent) - full transparent arek (Nov 14)
- Re: email gateway (transparent) - full transparent Philip Duldig (Nov 17)
- RE: email gateway (transparent) - full transparent arek (Nov 18)
- Re: email gateway (transparent) - full transparent Ansgar -59cobalt- Wiechers (Nov 19)
- RE: email gateway (transparent) - full transparent arek (Nov 20)
- RE: email gateway (transparent) - full transparent Joey Peloquin (Nov 21)
- RE: email gateway (transparent) - full transparent Kevin Saenz (Nov 21)
- RE: email gateway (transparent) - full transparent arek (Nov 14)
- Re: email gateway (transparent) - full transparent Bartek Krajnik (Nov 25)