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Sender Policy Framework (SPF) - How to use it to Fight Email Forgery
Spam is a real problem today. Forged email is a big part of the spam problem. Have you ever received a spam email from yourself? How many times have you received an email you know to be spam from someone only to find out it came from an invalid email address? When you try to block the email by choosing block sender, the spammer simply changes the email address to another variation and gets through the block. Until recently, there wasn't much you could do about it. Now there is. What is Sender Policy Framework (SPF)? SPF makes it easy for a domain, whether it's an ISP, a business, or a school to say that they only send mail from certain machines. If any other machine is claiming to send mail, they are lying. SPF aims to prevent spammers from ruining other people's reputation. When your machine receives an email from another server that has implemented SPF, your machine can easily tell if the incoming email really comes from the server it says it belongs to. More information about SPF can be found at http://spf.pobox.com/ By implementing SPF in your favorite application or on your server, you can be sure that a spammer will never be able to impersonate you when spamming others. Most well known domains and email applications have already implemented SPF on their servers and products. Some examples of vendors that are already implementing SPF into their products include Sophos, Symantec, Declude Junkmail, Brightmail, IronPort, Ciphertrust, MailArmory, MailFrontier, Roaring Penguin Software, Communigate Pro, and others. Ready to fight email forgery? Install applications that support SPF today and get protected from email forgery! This article was written by Joe Duchesne, president of http://www.yowling.com/, a web hosting company that specializes in helping online business owners increase their website traffic. Copyright 2004 Yowling. Reprint Freely as long as you link back to my website from this resource box.
MORE RESOURCES:  Yahoo! News Search Results for URL Yahoo! News Search Results for URL • E-mail URL http:// Ukrainian Festival, Sunday, September 12, starts at 12:00 p.m. 3275 Elmwood Ave, Kenmore to celebrate cultural and ethnic heritage and traditions. Entertainment includes Ukrainian dance groups from Rochester, live music form Toronto, theme basket and raffles, children?s activities, and church tours. • SAJADAH TERAKHIR KARYA EDY A EFFENDI: SEBUAH ANALISIS SEMIOTIK MICHAEL RIFATERRE BAB st1:*{behavior:url(#ieooui) } • MS probes mystery IE bug URL shortening shenanigans Microsoft is investigating reports of a new bug in Internet Explorer.? • Nokia N8 launches September 30, says senior manager digg_url = ' (function() { var s = document.createElement('SCRIPT'), s1 = document.getElementsByTagName('SCRIPT')[0]; s.type = 'text/javascript'; s.async = true; s.src = 'http://widgets.digg.com/buttons.js'; s1.parentNode.insertBefore(s, s1); })(); Digg '; Tapani Kaskinen is Nokia's Senior Comms Manager, so it's fitting that he'd be the first person from the company to ... • Google Power User Tips: SERP URL Parameters In Part 1, we looked at query operators for refining our searches. Now for Part 2, let?s look at parameters that we can add/modify in the URL of the the Google SERP (search engine results page.) • Twitter's link logging will be a boon for businesses Twitter is getting into analytics. Finally. This week, the microblogging service announced that it will be updating its URL shortener t.co to help alleviate malware problems and track link sharing on its service. • Dating in the Dark: Muscles and Manhandling This week on ABC?s Dating on the Dark, the contestants learn that a person?s voice sometimes doesn?t match their body. Who will end up finding a spark in the dark? The guys (from left to right in the photo below): Chad, 33, works in catering and is a good ol? Texan at heart. Kyle, 25, is a [...] SHARETHIS.addEntry({ title: "Dating in the Dark: Muscles and Manhandling", url: "http ... • Top Chef: Producer Laughs Off Emmy Fall On what was a shining moment for Bravo?s Top Chef as the show took home an Emmy Award, one of the show?s producers took a fall as she got up to head down the aisle. Erica Ross is not upset about all the videos circulating the web about her fall, but instead she laughs it [...] SHARETHIS.addEntry({ title: "Top Chef: Producer Laughs Off Emmy Fall", url: "http://realitytvmagazine ... • Dancing With The Stars: Bristol Palin Denies Diva Rumors Bristol Palin has recently been deemed the diva of season eleven on Dancing With the Stars on ABC, with some even referring to her as the next Kate Gosselin. But according to Bristol, she is not being difficult or acting like a diva in any way. Keep reading to hear what she has to say! While [...] SHARETHIS.addEntry({ title: "Dancing With The Stars: Bristol Palin Denies Diva Rumors", url ... • The Biggest Loser: Meet Season Ten?s Contestants If you are anticipating the return of The Biggest Loser on NBC, here is your chance to get a quick look at the season ten contestants. I am sure most of you are wondering whether or not there will be a contestant heavier than Michael Ventrella, the heaviest contestant in the history of the show?well, [...] SHARETHIS.addEntry({ title: "The Biggest Loser: Meet Season Ten?s Contestants", url ... |
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