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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.
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There’s more! Call now! Operators are ... - Northeast Mississippi Daily Journal table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/2-0fd=Rurl=http://www.djournal.com/pages/story.asp%3FID%3D283817%26pub%3D1%26div%3DSportscid=1283927539ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNHJChy96622EBRlB8qgS9Gd9aRi5gBRAD LOCKE:But wait! There’s more! Call now! Operators are b.../b/abrfont size=-1font color=#6f6f6fNortheast Mississippi Daily Journal,nbsp;MSnbsp;-/font nobrDec 26, 2008/nobr/fontbrfont size=-1Jarvis Varnado bSpam Blocker/b: Those Nigerian bankers will never bother you again. Price: $9.99, or upgrade to the premium “Swat” version for $5 more. b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd width=80 align=center valign=topfont style=font-size:85%;font-family:arial,sans-serifa href=http://news.google.com/news/url?sa=Tct=us/3i-0fd=Rurl=http://news.cnet.com/8301-17939_109-10125647-2.htmlcid=0ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNEpQl5Stso_khEKoKgV2qryQlcGHgimg src=http://nt0.ggpht.com/news?imgefp=8K_3AKRqpPoJimgurl=news.cnet.com/i/bto/20081217/gmail1.jpg width=80 height=78 alt= border=1brfont size=-2CNET News/font/a/font/tdtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/3-0fd=Rurl=http://news.cnet.com/8301-17939_109-10125647-2.htmlcid=0ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNEpQl5Stso_khEKoKgV2qryQlcGHgWhat Gmail does better than its competitors/abrfont size=-1font color=#6f6f6fCNET News,nbsp;CAnbsp;-/font nobrDec 17, 2008/nobr/fontbrfont size=-1On services like Yahoo Mail, Windows Live Hotmail, and AOL Mail, the bspam blocker/b tried, but failed on too many occasions. In fact, dealing with spam in my b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/4-0fd=Rurl=http://blogs.techrepublic.com.com/10things/%3Fp%3D468cid=0ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNFtj1NZ7UBjw6Smt83izLVl_YGsRA10 essential e-mail security measures/abrfont size=-1font color=#6f6f6fTechRepublic,nbsp;KYnbsp;-/font nobrDec 21, 2008/nobr/fontbrfont size=-1The more spammers and phishers who spoof your e-mail address that way, the more likely your e-mail address is to end up on bspam blocker/b blacklists used by b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/5-0fd=Rurl=http://www.washtimesherald.com/opinion/local_story_348000256.htmlcid=0ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNG7AFhYQpwysjd9XEJ3rjr5i725sgDrum roll....winners and losers from 2008/abrfont size=-1font color=#6f6f6fWashington Times Herald,nbsp;INnbsp;-/font nobrDec 12, 2008/nobr/fontbrfont size=-1Since this is my last column of 2008, and since I got a lot of feedback about my groundbreaking column this summer (my bspam blocker/b on my e-mail must have b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/6-0fd=Rurl=http://zinios.blog.mtgnewmedia.se/2009/01/08/eismo-salygos-sudetingos-visuose-valstybines-reiksmes-keliuose-ispeja-kelininkai/cid=1233045757ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNEG9OULKLph30FcB0XjUubF__fMIQEismo sąlygos sudėtingos visuose valstybinės reikšmės keliuose b.../b/abrfont size=-1font color=#6f6f6fTV3 žinios,nbsp;Lithuanianbsp;-/font nobr1 hour ago/nobr/fontbrfont size=-1Wordpress Theme Protected By Wp bSpam Blocker/b Siųskite mums savo klausimą politikui, valdininkui, žvaigždei ar ekspertui, o mes pasistengsime, b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/7-0fd=Rurl=http://zinios.blog.mtgnewmedia.se/2009/01/07/apvogtas-vienas-jauniausiu-seimo-nariu/cid=1232911095ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNEZGSyXnkDcFs7hUladivMBpoKwEgApvogtas vienas jauniausių Seimo narių/abrfont size=-1font color=#6f6f6fTV3 žinios,nbsp;Lithuanianbsp;-/font nobrJan 7, 2009/nobr/fontbrfont size=-1Wordpress Theme Protected By Wp bSpam Blocker/b Siųskite mums savo klausimą politikui, valdininkui, žvaigždei ar ekspertui, o mes pasistengsime, b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/8-0fd=Rurl=http://zinios.blog.mtgnewmedia.se/2009/01/06/del-salciu-atidedami-planiniai-elektros-tinklo-darbai/cid=1233046762ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNEiYuN60igkFEA9pC7aaJAo5EAi-wDėl šalčių atidedami planiniai elektros tinklo darbai/abrfont size=-1font color=#6f6f6fTV3 žinios,nbsp;Lithuanianbsp;-/font nobrJan 6, 2009/nobr/fontbrfont size=-1Wordpress Theme Protected By Wp bSpam Blocker/b Siųskite mums savo klausimą politikui, valdininkui, žvaigždei ar ekspertui, o mes pasistengsime, b.../b/font/div/font/td/tr/table table border=0 width= valign=top cellpadding=2 cellspacing=7trtd valign=top class=jfont style=font-size:85%;font-family:arial,sans-serifbrdiv style=padding-top:0.8em;img alt= height=1 width=1/divdiv class=lha href=http://news.google.com/news/url?sa=Tct=us/9-0fd=Rurl=http://zinios.blog.mtgnewmedia.se/2009/01/06/nuo-policijos-sprukes-automobilis-trenkesi-i-medi-suzeisti-du-zmones/cid=1232715255ei=wedlSYTJCoLFmQern-HIBAusg=AFQjCNGSqqo2NvRJznFMrKMf6NWOdXAG8wNuo policijos sprukęs automobilis trenkėsi į medį, sužeisti du žmonės/abrfont size=-1font color=#6f6f6fTV3 žinios,nbsp;Lithuanianbsp;-/font nobrJan 6, 2009/nobr/fontbrfont size=-1Wordpress Theme Protected By Wp bSpam Blocker/b Siųskite mums savo klausimą politikui, valdininkui, žvaigždei ar ekspertui, o mes pasistengsime, b.../b/font/div/font/td/tr/table Spam-Blocker - Google News |
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