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The Anti Spam Challenge - Minimizing False Positives
Email is the quintessential business communication tool, so when it doesn't work like it's supposed to, business suffers. Anti spam software is designed to protect your inbox from unwanted messages, but unless your system is properly trained even the best software misses the mark and flags legitimate messages as spam. These messages are referred to as "false positives." While consumer and ISP anti spam products focus on blocking messages and even consider some false positives acceptable, businesses require anti spam solutions that treat their messages as very valuable. Failing to receive critical messages in a timely fashion can do irreparable damage to customer and partner relationships and cause important orders to be missed, so eliminating false positives while maintaining high anti spam accuracy is paramount to any enterprise anti spam solution. What causes false positives? Different anti spam solutions utilize different methods of detecting and blocking spam. Anti spam software typically uses content filtering or Bayesian Logic, an advanced content filtering method, to score each email, looking for certain tell-tale signs of spammer habits such as frequently used terms like "Viagra" or "click here." Other anti spam solutions reference blacklists and whitelists to determine whether the sender has shown spammer tendencies in the past. A false positive can occur when a legitimate sender raises enough red flags, either by using too many "spam terms" or sending from an IP address that has been used by spammers in the past. Minimizing False Positives Although it takes a person only a moment to process a message and identify it as spam, it is difficult to automate that human process because no single message characteristic consistently identifies spam. In fact, there are hundreds of different message characteristics that may indicate an email is spam, and an effective anti spam solution must be capable of employing multiple spam detection techniques to effectively cover all bases. A comprehensive anti spam approach involves examining both message content and sender history in tandem. By using a reputation system to evaluate senders based on their past behavior, a more accurate picture of their intentions and legitimacy can be discerned, and a solution's false positive rate can be further lowered. Has the sender engaged in spamming, virus distribution or phishing attacks in the past? If not, the likelihood of their message getting past the email gateway just went up, and the chances of a false positive declined accordingly. If they have, an effective reputation system knows and flags the message. Self-Optimization In order to be most effective, anti spam solutions must learn based on a recipient's preferences. While most of us prefer not to receive emails containing the term Viagra, some medical organizations might need to receive these emails in order to process patient data. In order to best learn your organizational preferences, anti spam solutions should put filtered emails into a quarantine that allows users to review and make decisions as to whether a particular message is spam. Making this quarantine available to the end-user lowers the administration costs and increases the accuracy of the anti spam system. Each time a user makes a decision about whether a particular email is or is not spam, the system becomes more personalized and intelligent about filtering email for that individual in the future. Over time, users find that they rarely need to review their quarantines anymore because the system has learned how to identify messages that are important to that user. Don't throw the baby out with the bathwater In conclusion, it is imperative that false positives be kept to an absolute minimum for business users. Although consumers may have more patience with incorrectly blocked email, businesses cannot afford these types of problems. An effective, accurate anti spam solution aggregates multiple spam detection technologies, combining the benefits of each individual technique to stop spam while minimizing false positives. It also puts suspected spam into a quarantine that is available to end-users, and learns how to better identify spam in the future. Dr. Paul Judge is a noted scholar and entrepreneur. He is Chief Technology Officer at CipherTrust, the industry's largest provider of enterprise email security. The company's flagship product, IronMail provides a best of breed enterprise anti spam solution designed to stop spam, phishing attacks and other email-based threats. Learn more by visiting http://www.ciphertrust.com/products/spam_and_fraud_protection/ today.
MORE RESOURCES: How to stop spam calls on your Android phone Android Police Phone apps that filter spam for Hong Kong users found to expose their data South China Morning Post How to block spam callers on your phone XDA Developers AT&T ActiveArmor Offers Features to Control Spam Texts AT&T Newsroom How to Protect Yourself from Quishing, the Newest Email Scam Reader's Digest 10 best apps to block spam calls on Android phone and safeguard your privacy The Times of India 5 easy ways to avoid spam phone calls Fast Company How To Stop Spam Calls for Good Clark.com - Clark Howard How to Detect and Block Spam Calls on iPhone (2024 Guide) The Mac Observer Two spam call blockers upload users' contact lists into databases: Consumer Council Hong Kong Standard KT develops AI-based spam filter Mobile World Live How to block spam calls USA TODAY How to Stop Spam Texts on an iPhone or Android Reader's Digest How to stop spam texts with your favorite messaging apps Popular Science Is "Scam Likely" Calling You? Here's How to Block Them MUO - MakeUseOf 10 Best Call Blocking Apps MobileAppDaily How To Block Spam Messages on Android — Direct Methods and Third Party Apps Digital Information World Stop the Madness: How to Block Spam Calls and Robocalls PCMag Middle East How to block spam calls on your Android phone Android Authority New Truecaller feature uses AI to detect and block spam calls: Here’s how to enable it The Indian Express Hiya: Spam Blocker & Caller ID by Hiya AppAdvice How To Block 'Scam Likely' Calls Parade Magazine Block spam calls and texts with Robokiller Cult of Mac 16 Best Call Blocker App Options to Prevent Spam Calls to Your Small Business Small Business Trends New Report: The #1 Phone Scam in America Clark.com - Clark Howard WhatsApp now lets you block spam right from your lock screen Android Police How to block spam texts from an email account Android Police AI-Driven Scam and Spam Call Blocker, Genie, Is Seeking Investment To Better Protect Seniors International Business Times Detect and block spam calls with Truecaller's new AI feature; know what it is and how to use The Times of India Tired of WhatsApp spam? New update allows blocking users directly from lock screen; here's how The Economic Times WhatsApp: How to block, report, and delete spam Android Police How to block a phone number on your Android phone Android Authority How to report and block spam in iMessage Android Police Google Search update brings better spam filter to improves search quality The Times of India Comcast Introduces New Advanced Spam Blocker Feature for Xfinity Voice Customers Comcast Corporation Here’s how to stay safe from spam calls on WhatsApp The Times of India How to block unwanted emails in Gmail Android Police How to Block Unwanted Text Messages on Your Mac (and iPhone/iPad) The Mac Observer WhatsApp Now Allows Users to Block Spam Directly From Lock Screen: Here Are Steps to Enable Feature Gadgets 360 Whoscall app launched in the Philippines to block spam calls, messages manilastandard.net Tired of spam calls and messages on your phone? Here’s how to enable DND on Jio, Airtel, and Vi The Times of India Stop spam calls on iPhones and Android devices with these simple steps The Indian Express How to Block Spam Calls on Android & iPhone Devices | Reviews by Wirecutter The New York Times Spam blocker proves costly – The Florida Bar The Florida Bar No more spam & scam text messages Trend Micro Mobile phone users to get option to block overseas numbers as part of new anti-scam measures The Straits Times How to Stop Spam Calls The New York Times Spam calls and messages: How to activate DND on Reliance Jio, Bharti Airtel, and Vodafone The Economic Times How to block and report text spam The Verge How to Keep Spam Away From Your Smartphone samsung.com How to stop spam calls on iPhone and Android phones Digital Trends How to Stop Spam Calls and Block Robocalls Business Insider The best ways to block scam calls New York Post Xfinity Mobile Collaborates with Hiya to Thwart Mobile Robocalls Comcast Corporation Tired of spam calls? Block promotional calls in some easy steps on Android, iOS phones The Economic Times How to block spam texts on Android Tom's Guide Best apps to block unwanted spam calls The Citizen How to Block Spam Calls on Android Lifewire |
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