Greylisting is one of the latest methods used to combat spam messages. The technique relies on the fact that most of these emails only make one attempt at trying to deliver them. Though every method helps, greylisting only denies that first attempt, giving the sender a 450 error message telling them to “Please [...]
Spam has been flooding mail servers, slowing down networks and simply wreaking havoc for many years now. During this time, a plethora of solutions have been introduced to put a cap on the problem, or at least neutralize it. This article will discuss two of the oldest methods used to combat spam – [...]
With all the dangers lurking on the web, the firewall has become a vital part of computer security no personal user or network can be without. Unfortunately, they can be difficult to work with and may give you a few problems. Before getting into the issues, we will tell you about the types [...]
Although we can all argue that they may never be 100% effective, spam filters are an absolute Godsend for those of us who get bombarded with spam every day. Spam has evolved tremendously and comes in the form of aggressive advertising and ridiculous scams bearing humorous one-liners to those harboring more sophisticated schemes and [...]
Numerous studies show that spam accounts for nearly 80% of all email. These staggering numbers reveal that it has become much more than a nuisance. Spam negatively impacts almost every business, resulting in lost productivity, over consumption of bandwidth and storage, slow mail servers and much more. Even more unsettling, spam often [...]
Because a large amount of spam messages originate from forged email addresses, a new version of SPF is being implemented by various Internet Service Providers and prominent mail hosts such as AOL, Hotmail and Yahoo. Many of these providers now require SPF in order for mail to pass through their networks. If a [...]
Melissa struck early in 1999, stirring up major chaos for networks and internet users across the world. What appeared to be a cute little file was actually a malicious computer virus that exploited both the Microsoft Outlook and Word application. Melissa was one of the very first viruses to be widely publicized. [...]