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Technologies to Combat Spam Spam is an ever-increasing issue for anyone with an email account. For the enterprise it leads to lost productivity, storage issues, bandwidth constraints, virus and malware intrusions, and quite possibly legal concerns. In this paper I will give you some background on spam and its proliferation over the last few years, and some of the issues that spam creates. I will explain the different technologies that are available to identify and remove spam, and lastly I will give you information about product offerings from vendors that you may choose to use in your fight against spam. It is not within the scope of this paper to recommend one technology or vendor over another. It is also not in the scope of this paper to explain the intricacies of email systems. My intent is to give you the information about what is available to help eliminate spam in order to help you make a decision as to what best suits your particular situation.
04/05/2004
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Slippery Slope or Terra Firma? Current and Future Anti-Spam Measures This paper will help to explain current methods that are used to send out spam, combat spam, and legislation in place to hold abusers accountable and will also take a look at what might be on the technology horizon with more robust filtering methods and perhaps a better SMTP standard.
04/05/2004
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Spam Filtering in a Small Business Environment, a Case Study This case study describes the process of researching and implementing a filter for email "SPAM" in an organization of modest size, running Microsoft Exchange 5.5 and IMC. At the time of the implementation in Fall 2002 there were few commercial software products available to address this issue in a Microsoft environment. While open source approaches to the problem were fairly mature, the organization does not have expertise with open source software so a commercial solution was desired.
04/05/2004
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Controlling Spam in a Small Business Junk e-mail is on the rise and it seems that spammers are using every tool and technical advantage that is at their disposal to bombard everyone with their unwanted mail. Small companies are at a particular disadvantage because often they do not have a system administrator that is maintaining the IT infrastructure. This paper will explain methods spammers are using to exploit e-mail, and what measures are being taken by ISPs to curb the effect of spam. But most importantly what the choices that are available for small companies to control the effect of spam on their business and the productivity of their employees. Also, knowing full well that there is not a fully-effective method to disallow spam from coming through; preparedness is the only option to help reduce the effect of spam on employees as well as company resources.
04/05/2004
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Implementing a SPAM Filtering Gateway with Apache James This paper discusses the configuration of a SPAM Filtering Gateway using the Java Apache Mail Enterprise Server, James1, developed by The Apache Software Foundation. The configuration describes the setup of an Apache James mail server to process incoming mail for spam properties before delivering the mail to an internal server. It focuses on reducing the processing load of the internal mail server by dropping mail relay attempts, flagging messages as SPAM for end-user management, and lowering exposure to common vulnerabilities found in many of the popular mail servers on the market today.
04/05/2004
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The Rise of the Spammers The author writes: “I’m not going to talk about the motives of this spam community to send millions of dumb e-mails telling how to get a good mortgage rate, increase my body length or make business with an African prince. This is the story of how one of my home servers was compromised and used as a massive spamming sender within an environment that I’ve never seen (but was likely to happen).”
03/21/2004
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Tracking the source of email spam Spammers often forge the headers of their email in an attempt to avoid losing their accounts and to evade email filters. These notes may help you track the source of spam. The most important thing is to have a mail reader that can show you the full headers of an email in question. The important lines are as follows:
03/10/2004
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Combating SPAM Problems in a Corporate Environment Perhaps no problem plagues the Internet as deeply as that of unsolicited junk E-mail, or SPAM. While there’s no doubt that SPAM can be annoying to the end users, SPAM can cause problems for both the network administrators and for those who own or manage a company. The reason for this is that SPAM robs your company of productivity and of system resources.
03/10/2004
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Anti-Spam Solutions and Security Current anti-spam solutions fall into four primary categories: filters, reverse lookups, challenges, and cryptography. Each of these solutions offers some relief to the spam problem, but they also have significant limitations. The first part of this two-part paper looks at filters and reverse lookup solutions. The second part focuses on the various types of challenges, such as challenge-response and computational challenges as well as cryptographic solutions. While there are many different aspects to these solutions, this paper only discusses the most common and significant concerns - this paper is not intended to be a complete listing of implementation options, solutions, and issues.
02/27/2004
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Not Ready for an Antispam Solution? Joseph Neubauer outlines five reasons why companies don't deploy antispam software, so you can be ready to counter those arguments.
02/17/2004
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