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Untitled Document
SPF record is the SENDER POLICY FRAMEWORK. It is important to add for your domain name to avoid the emails from the forged email addresses. SPF standard is being implemented by a number of ISPs and mail hosts, including several major providers like Hotmail, AOL, Yahoo, etc. Mail systems will need SPF records for their domains if they want their mail to be accepted by those providers who implemented the SPF standard.
SPF is an open standard created to stop forgery of FROM addresses. SPF helps mail servers distinguish forgeries from real mail by making it possible for a domain owner to say, "I only send mail from these machines." That way, if any other machines try to send mail from that domain, the mail server knows that the FROM address is forged. Read More |
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The Internet Protocol (IP) is the transmission mechanism used by the TCP/IP protocols. IP is an unreliable and connectionless datagram protocol. IP provides no error tracking or error checking. IP assumes the unreliability of the underlying layers and does its best to get a transmission to destination but without guarantee.
When it comes to important of reliability, IP get combined with a reliable protocol like TCP. The best example of IP in general life is “Post Office”. Post office tries to deliver a letter on its best. But if any letter is lost the post office is not going to inform sender about the loss of letter. Continue Reading
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Written by Administrator
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Saturday, 07 July 2007 09:54 |
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The Joomla! Community Portal is now online. There, you will find a constant source of information about the activities of contributors powering the Joomla! Project. Learn about Joomla! Events worldwide, and see if there is a Joomla! User Group nearby. The Joomla! Community Magazine promises an interesting overview of feature articles, community accomplishments, learning topics, and project updates each month. Also, check out JoomlaConnect™. This aggregated RSS feed brings together Joomla! news from all over the world in your language. Get the latest and greatest by clicking here. |
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Last Updated on Saturday, 07 July 2007 09:54 |
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Domain name space was designed to have hierarchical name space. The domain names are inverted-tree structure from root to top. The trees only have 128 levels. Root is levels 0 and top has 127.
Labels: Each and every node in the tree has label. Label is having maximum length 63 characters. The root label is a null string. DNS require that children of a node have different labels, which guarantees the uniqueness of the domain names.
Domain Name: Each and every node in the tree has name called as domain name. The complete domain name is a sequence of labels of in the tree and separated by dots (.). Full domain name always ends with a null label. Continue Reading |
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Written by Administrator
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Saturday, 07 July 2007 09:54 |
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The Joomla Core Team and Working Group members are volunteer developers, designers, administrators and managers who have worked together to take Joomla! to new heights in its relatively short life. Joomla! has some wonderfully talented people taking Open Source concepts to the forefront of industry standards. Joomla! 1.5 is a major leap forward and represents the most exciting Joomla! release in the history of the project. |
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Last Updated on Saturday, 07 July 2007 09:54 |
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The seo for www.goonclick.com
