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Spam Assassin : Fight against Spams

December 6th, 2010 No comments

spamassassin_logo-300x127 Spam Assassin : Fight against Spams

You are receiving too many spam emails in your mailbox, we would recommend you to consider enabling Spam Assassin through your cPanel control panel provided by your Web Hosting Service Provider. Steps to enable Spam Assassin are mentioned below:


cPanel -> Mail -> SpamAssassin -> Enable SpamAssassin

Spam Assassin is one of the applications available to automatically filter mails using a broad range of heuristic algorithms on email headers and message body to filter Spam emails. With capabilities to eliminate almost or more than 98% of all Spam emails, it is has proved to become a powerful application to fight agaist spams. Peformace of Spam Assassin can differ based on individual configuration, which are tunable by website owners. Once the identification process is complete, the email is tagged as Spam for later filteration using the user’s desktop mail client.
Custom filters can also be added to improve the functionality of Spam Assassin.

Understand cPanel’s Spam Assassin functionality.

July 29th, 2009 No comments

A Spam Assassin is a software, that analyzes messages in the form of Spam-AssassinE-mails. It differentiates and determines other E-mails from spams. You are required to set rules inorder to compare the different parts of an E-mail. Every rule adds or removes points from a message’s spam score. This spam score helps to determine the difference between spam and business E-mails. Its an E-mail spam filtering system that is deployed with the account to help block or mark the spam mail.

cPanel logoTo get access to the Spam Assassin, you need to first of all login to your cPanel control panel provided by your Web Hosting provider. Here in the Mail section you can find the tab of Spam Assassin. If you click on the tab, you can check if the filter is enabled or disabled. From there you can enable the filter. Inorder to configure the settings you need to hit the Configure Spam Assassin tab.

Below is a pictoral description of Spam Assassin

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Spam-Assassin-Tab

Enable/Disable Spam Assassin

Configure Spam Assassin

Steps to Configure Spam Assassin

Here you can find number of boxes to be populated :

The first one here is the blacklist_from here you need to specify the e-mail address/es you wish to be marked as spam.

Then is the required_score tab, here you need to set the number of hits required before a mail is considered spam. “n.nn” can be an integer or a real number. 5.0 is the default setting, and is quite aggressive, it would be suitable for a single-user setup. Below you would find ‘score’, here you need to Assign scores (the number of points for a hit) to a given test. Scores can be positive or negative real numbers or integers. “SYM-BOLIC_TEST_NAME” is the symbolic name used by SpamAssassin for that test; for example, ‘FROM_ENDS_IN_NU’. If only one valid score is listed, then that score is always used for a test. If four valid scores are listed, then the score that is used depends on how SpamAssassin is being used. The first score is used when both Bayes and network tests are disabled. The second score is used when Bayes is disabled, but network tests are enabled. The third score is used when Bayes is enabled and network tests are disabled. The fourth score is used when Bayes is enabled and net-work tests are enabled. Setting a rule’s score to 0 will disable that rule from running. Then comes ‘whitelist_from’ here you need to specify addresses which send mail that is often tagged (incorrectly) as spam; it also helps if they are addresses of big companies with lots of lawyers. This way, if spammers impersonate them, they’ll get into big trouble, so it doesn’t provide a shortcut around SpamAssassin. Whitelist and blacklist addresses are now file-glob-style patterns, so friend@somewhere.com, *@isp.com, or *.domain.net will all work. Specifically, * and ? are allowed, but all other metacharacters are not. Regular expressions are not used for security reasons.

You can Enable or Disable the Spam Assassin whenever you wish to. This simple tool simplifies your task of filtering out spam E-mails reach your mail box. With the ever increasing number of spam E-mails reaching your mailbox, tools such as cPanel Spam Assassin have gained popularity at a fast pace.

Fully Managed Virtual Private Server Hosting or VPS Hosting

July 29th, 2009 No comments

One of the types of Web Hosting is Virtual Server Hosting also termed as VPS Hosting. VPS Hosting shares the similarity with a Dedicated Server Hosting. Many medium sized businesses prefer a VPS Hosting  as it is highly affordable and cheaper than a Dedicated Server. Though there is a difference in the resources offered. Many reputed web hosting service providers offer their services for both the platforms ie. Windows VPS Hosting as well as Linux VPS Hosting. They also offer flexible upgrade or downgrade options. packages offered by almost all the web hosting providers now-a-days. A VPS is created using one of the different virtualization applications. Virtuozzo is one such application that is widely used and preferred. With a VPS hosting solution, you can get to Control Panel Logoexperience a dedicated like environment. It ,means with a VPS you get complete root/admin. access to the server with a control panel to manage the account. Usually, a DotNet panel or Plesk is more preferred to manage a Windows Hosting account whereas to manage a Linux Hosting account, cPanel control panel is widely preferred. The root or admin access allows you to install, create, uninstall, etc, any application or software onto your server similar to a Dedicated Server. In short you have the privilege to maintain and manage the server on your own. In such scenario, the web hosting provider takes care of the security of the node.
Limited number of VPS accounts are created on a physical server, using any of the virtualization softwares.

Benefits of using a Virtual Private Server Hosting

Any package lower than a VPS such as shared hosting or Reseller Hosting, do not offer privileges such as root/admin access. You get limited VPS Host.co.inresources and there are multiple accounts set-up on a physical server, this gives the chance of overselling, which gradually hampers the performance of the website/s. On the other hand a dedicated server is bit more expensive than a VPS. A dedicated server is suitable for large businesses and enterprises. With a VPS you can get almost the same privileges as that of a Dedicated Server. You would get similar reliability with a VPS as that of a Dedicated Server but with a cheaper price. You get guaranteed resources with a VPS with better security than that of the other lower hosting packages. You can even apply your own security measures to the VPS as you have complete control over the server. To sum it up, benefits of a VPS are Dedicated Server like hosting environment, Reliability and Security.

Security: In comparison to other lower hosting packages a VPS is more secure. Most of the users upgrade their plans to a VPS due to security factor. A VPS is pretty much secure and impossible for hackers and attackers to breach in.
Dedicated Server Like Environment: Similar to a dedicated server hosting environment, you get complete admin access to the server. This privilege allows you to use maximum resources of the server.
Reliability: Reliability is one of the most important factor, that needs to be HyperV-VPS-Hostingconsidered while choosing a web hosting package. VPS proves itself to be worthy of fulfilling this requirement. A VPS has its own dedicated resources. With the addition of all new technology called the Hyper V Hosting , Windows users get more reliability with a VPS.
The VPS Server Hosting also has some demerits of its own. This is because VPS’s are created on a physical server. You share its resources with other user accounts, hence limiting you to use certain applications such as Java components. It is similar to a shared hosting, which can hamper the server stability. It is always suggested that when your website/s become popular, you must upgrade from a VPS hosting package to a Dedicated Server to get the utmost hosting experience.

 
 

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