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Spam Blocker Information |
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Blackhole or Fail - Which One Is Better For Your Mail Server?
Very often SPAMMERS take advantage of catch-all email setup on webservers. Every email no matter what the recipients email address is will be caught by the default email account. It is highly recommended not to use catch-all email accounts and to discard SPAM send to non-existing email addresses. SPAM will clog up your SMTP server and consum resources like bandwidth and disk space in mailboxes. In most mail servers and web control panels (like cPanel) the user or admin can decide what will happen to emails with no existing recipient on the server. Refuse to the let emails onto the server and to let the sender's mail server deal with it (option: ":fail:") or to accept these incoming messages but then to delete them right away (option: ":blackhole:". Our conclusion: :fail: is the preferred option over :blackhole:. The :blackhole: option accepts everything sent to the domain mail server and then throws away the email going to a non-existing email account. This option uses the full amount of bandwidth, and also requires that the server be reading and writing messages to disk before they are deleted... multiply this by 1,000 messages a day or so and you can imagine the impact onto your server resources. Imagine your an email address from your domain (a non-existing one) has been spoofed to send out SPAM messages that even carry a virus. Most natural many of these messages will bounce back and hit your mail server. Your web server would have to deal with thousands of attachments at a time. Performance will go down - no matter what. :fail: stops emails send to invalid recipients from entering the mail server in the first place..Exim will reject each message during the smtp handshake conversation - therefore the actual email message will never make it to your server. It is being refected from entering your system and the sender's email server has to deal with the stuck message. This option is also the better one for legitimate emails where the sender has actually mis-spelled the recipients email address. He would get a bounce message informing him so that the error can be corrected. Depending on your hardware - a server can handle many more :fails: than it can do :blackholes:. This article can be published by anyone as long as a live back link to http://www.webhostingresourcekit.com is provided. (this note can be removed as long as a link from the author's resource box is provided) Christoph Puetz is a successful small business owner (Net Services USA LLC) and international author. Guides, Tutorials, and Articles for small businesses - http://www.webhostingresourcekit.com
MORE RESOURCES: How To Stop Spam Calls for Good Clark.com - Clark Howard Swedish Spam Blocker Truecaller Takes on AI Voice Clones Bloomberg Law Smart SMS Spam Blockers Trend Hunter 'Scam Likely' Calls: Can You Block Them for Good? Parade Magazine Resurgence of Spam: Cisco Talos Sound Alarm on New Tactics Cyber Magazine How to screen calls on an iPhone The Verge My Pixel blocks tons of spam calls, but can any other Android phone do the same? - Android Authority 10 best apps to block spam calls on Android phone and safeguard your privacy The Times of India Best call blocking devices for landlines CyberGuy Report How to Block Annoying Emails for Good Reader's Digest Phone apps that filter spam for Hong Kong users found to expose their data South China Morning Post How to Block No Caller ID Callers 9Meters.com How to block spam calls on Android India Today Truecaller introduces Auto-Block Spam feature for iPhone: Know what it is and how it works 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 Does Unsubscribing from Emails Work—and Is It Safe to Do? Reader's Digest Government of India unveils new anti-spam mechanism to block spam calls originating from abroad Firstpost This Is What an Amazon Email Scam Looks Like Reader's Digest Airtel's AI-powered spam filter catches 8 bn calls and 0.8 bn SMS Business Standard Robokiller: Spam Call Blocker subscription price to jump 225 percent on July 20 O'Grady's Power Page How to Identify Apple Phishing Emails and Avoid Getting Scammed Reader's Digest Spam messages on WhatsApp will soon be a thing of the past The Indian Express Swedish spam blocker Truecaller takes on AI voice clones The Star Online Vi launches AI-based solution to identify, block spam SMS for customers The New Indian Express Privacy risk from apps used for filtering spam calls Hong Kong Standard How to Stop Spam Calls (Published 2021) The New York Times Android lets users filter overseas SMSes to spam folder, block sideloading while on call The Straits Times Spam blocker proves costly The Florida Bar How to Stop Scam Texts | Reviews by Wirecutter The New York Times Kim Komando: The best ways to block scam calls New York Post How to block and report text spam The Verge Truecaller gets new AI feature to block spam calls Deccan Herald How to block spam texts on Android Tom's Guide Robocall Blocker Review Consumer Reports How to block spam calls on your Android phone Android Authority Tired of WhatsApp spam? Block the sender without unlocking your smartphone - Here's how Zee Business This hilarious ‘robokiller’ app answers spam calls for you and talks smack to marketers to waste their time MarketWatch How to block spam calls and stop them once and for all Business Insider Scam texts are becoming more frequent, here's how to handle them KERO 23 ABC News Bakersfield How to block spam callers on your phone XDA Developers Email spam is breaking through again. Here’s what you can do to minimize it. The Washington Post Stop the Madness: How to Block Spam Calls and Robocalls PCMag Middle East Free Spam Filter for Outlook, Windows Live Mail & Thunderbird SPAMfighter News Truecaller For iOS Gets Automatic Spam Call Blocking MySmartPrice PSA: Your iPhone's "Do Not Disturb" Feature Will Silence All Those Annoying Robocalls for Good Good Housekeeping Stop spam calls with the best call and text blocker apps Digital Trends 5 of the Best Robocall Blocker Apps to Stop Spam Calls Money Talks News How to block spam calls on iPhone Laptop Mag How to block robocalls Tom's Guide |
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