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Spam Blocker Information |
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The Cybermagic of Whitelists
Before we start getting deep into the meat of this article it's important to explain some standard terminology to make sure the rest of this article makes sense.
A whitelist is a predefined list of IP addresses that are allowed to send email to and receive email from each other. Blacklists exclude known and suspected spammers. Whitelists can be used to exclude everyone except known IP addresses. Think of it like this. A whitelist is a like having a phonebook which is owned by a small group of people who only wish to speak directly to each other. They don't want just anybody ringing them. Not only that but the entire group need to approve new phone numbers before they appear in this exclusive phonebook. To send email to a whitelist you must be approved by the owner of the whitelist. This is a lot like the double optin systems used by legimiate ezines and mailing list owners. Whitelists are the nightclub bouncers of the virtual world - if you ain't on the list you ain't getting in. Simple but very effective. A real world example of a whitelist would be if two companies wanted to exchange email only with each other. These companies could implement a whitelist that contained the IP address for just the two email servers that want to send email to each other. That would mean that any email coming from an IP address not on the whitelist would be returned to sender. For companies they can ensure that employees are only dealing with work related email and not chatting with their friends. The benefits of whitelists are many but proper management of the whitelists is equally important. Misuse of whitelists will only lead to more headaches for everyone involved with missing email, irate customers and IT departments doing overtime just being the tip of the iceberg. This article was provided courtesy of Spam-site.com which reviews and tests spam blockers for the business and end user.
MORE RESOURCES: Swedish Spam Blocker Truecaller Takes on AI Voice Clones Bloomberg.com How To Stop Spam Calls for Good Clark Howard Consumer Reports tells us how to finally stop robocalls 6abc Philadelphia Smart SMS Spam Blockers Trend Hunter Hackers Bypassing Outlook Spam Filter to Deliver Weaponized ISO Files CybersecurityNews How to block spam calls and messages on Android and iPhone Inquirer Technology My Pixel blocks tons of spam calls, but can any other Android phone do the same? - Android Authority How to Identify and Avoid Apple ID Phishing Scams Reader's Digest How to Block Annoying Emails for Good Reader's Digest Can YouMail Really Put an End to Robocalls? Clark Howard How to stop the never-ending stream of spam emails Kurt the CyberGuy How to screen calls on an iPhone The Verge How to stop nuisance calls Good Housekeeping Make it STOP: Does replying to spam texts from politicians really block them? University of Colorado Boulder My Pixel absolutely crushes the iPhone in this one key area Android Authority Block SMS Text Spam with Nomorobo tidbits.com What Is Spam Made of, Anyway? Reader's Digest Phone apps that filter spam for Hong Kong users found to expose their data South China Morning Post How to Block Spam Calls on Android Tech Advisor How to block spam calls on Android India Today Comcast Introduces New Advanced Spam Blocker Feature for Xfinity Voice Customers Comcast Corporation How to block a phone number on your Android phone Android Authority How to permanently block spam calls and SMS on Jio The Indian Express How to Block Spam Calls on Android & iPhone Devices | Reviews by Wirecutter The New York Times Truecaller introduces Auto-Block Spam feature for iPhone: Know what it is and how it works India Today How to stop spam texts for good Komando.com Best cordless phones which.co.uk Truecaller will automatically decline spam calls for you with this feature: Who can use it and how to use? Hindustan Times Does Unsubscribing from Emails Work—and Is It Safe to Do? Reader's Digest Robokiller: Spam Call Blocker subscription price to jump 225 percent on July 20 O'Grady's PowerPage Best call blocking devices for landlines Kurt the CyberGuy Tech Tips: Block your spam calls and SMS on Jio; Here’s how financialexpress.com Xfinity Mobile Collaborates with Hiya to Thwart Mobile Robocalls Comcast Corporation Vi launches AI-based solution to identify, block spam SMS for customers The New Indian Express How to stop spam calls on your Android phone Android Police Spam blocker proves costly The Florida Bar Android lets users filter overseas SMSes to spam folder, block sideloading while on call The Straits Times Spam filter: DNS blacklist Nixspam ceases operation heise online Privacy risk from apps used for filtering spam calls The Standard 英文虎報 What is a spam filter? TechTarget Robocall Blocker Review Consumer Reports How to Keep Spam Away From Your Smartphone Samsung Newsroom Kim Komando: The best ways to block scam calls New York Post How to block spam calls and stop them once and for all Business Insider |
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