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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 • Happy New Year! Now Get a Divorce (Seattlest) The above "dramatization" shows just how local attorney J. Michael Gallagher can help you get 2009 off to a good start: by dissolving your loveless marriage. We were so entranced by this low-tech, low-class advertisement (h/t Videogum ) that we just *had* to visit this sleazebag's website with the wonderful url DontBeAWeekendParent.com (pop-up alert). There we found out that ... • Open Office Documents from Gmail Without Google Docs [Gmail Tip] (Lifehacker) A simple URL edit can open attached Office docs from Gmail in a sleek viewer, rather than the sometimes funky HTML option. The Google Operating System blog points out that Google's... • Kakuteru: A Blogging and Lifestreaming Mashup (+Invites) (ReadWriteWeb) What do you get when you combine blogging and lifestreaming? You get Kakuteru , a semantic blogging mashup with funny name. The service imports your activity streams from FriendFeed and combines them with longer articles you write yourself. After you set up your Kakuteru site, its URL can then be hidden behind a domain name of your choosing so it appears as if it's your own blog. ... • Kankuteru: A Blogging and Lifestreaming Mashup (+Invites) (ReadWriteWeb) What do you get when you combine blogging and lifestreaming? You get Kankuteru , a semantic blogging mashup with funny name. The service imports your activity streams from FriendFeed and combines them with longer articles you write yourself. After you set up your Kakuteru site, its URL can then be hidden behind a domain name of your choosing so it appears as if it's your own blog. ... • Minoru 3D Webcam ships this week, still looks freaky (Engadget) digg_url = 'http://digg.com/gadgets/Minoru_3D_Webcam_ships_this_week_still_looks_freaky'; In case you haven't noticed, 3D is the topic of this year's CES. And we're not talking about 3D HDTVs exclusively -- we're talking about 3D figurines that double as webcams. To be quite honest, the USB 2.0 Minoru 3D Webcam is ripe for a Billy Mays plug, but considering that he's charging ... • The Ridgefield Symphony (Fairfield County Weekly) Normal 0 MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:"";... • Hype Machine Zeitgeist: Listen in Full to the 50 Most Blogged Albums of 2008,... Music mashup site shows how User Experience is done. digg_url = 'http://digg.com/music/Hype_Machine_Listen_in_Full_to_the_50_Most_Blogged_Albums';digg_bgcolor = '#ffffff';digg_skin = 'normal'; MP3 blog aggregator Hype Machine launched a new microsite today called the Music Blog Zeitgeist . There you can listen, for free, to entire albums from the most blogged-about musicians of ... • Atlanta Councilmen: Down With Sagging Pants (Georgia Public Broadcasting News) Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; ... • Twitter Hack: How It Happened and What's Being Done (PC World via Yahoo! News) Twitter is tackling a series of security issues, starting with a hack that hit some well-known celebrity accounts. Someone broke into Twitter accounts belonging to President-elect Barack Obama, CNN anchor Rick Sanchez, and Britney Spears over the weekend. At the same time, a phishing scam is trying to trick regular users into handing over their passwords and compromising their profiles. • 10 Free Music Based Games for the iPhone & iPod Touch (Mashable) digg_url = 'http://mashable.com/2009/01/05/free-iphone-music-games/'; digg_title = '10 Free Music Based Games for the iPhone & iPod Touch'; digg_bodytext = 'Music-based games like Guitar Hero and Rock Band have become wildly popular, so it only makes sense that similar games are being created for the iPhone and iPod Touch. Both devices have a plethora of gaming apps, but only a ... |
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