Thursday, August 18, 2011

Email Fundamentals: How to Send Email via Telnet

This is one of the essential troubleshooting tricks that an Exchange administrator needs to know, sending an email using Telnet from the command line. Let’s say you’ve just configured a relay connector and want to test it from the server that you wish to allow relay from before you let that server’s owner know that it is all set up for them. Or perhaps you want to quickly test whether a another email server on the internet is accepting mail from your network. For just about any scenario where you want to quickly test SMTP knowing this method is ...
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Set Multiple Sites as a Homepage in Internet Explorer 9

The Procedure for Setting the Homepage First, open Internet Explorer 9 and then a tab for each site you want to set as a homepage. Browse to those websites. Once you have all the websites loaded, click on the Tools button from the upper-right side of the Internet Explorer window. Then, click on Internet Options. You set the homepage in the General tab. Simply click ’Use current’. The websites you have loaded in each tab are now set as a homepage.Click OKand you are done. From now on, when you start Internet Explorer 9, the websites which you ...
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Sunday, August 7, 2011

Enabling And Disabling Services During Start Up In GNU/Linux

In any Linux distribution, some services are enabled to start at boot up by default. For example, on my machine, I have pcmcia, cron daemon, postfix mail transport agent ... just to name a few, which start during boot up. Usually, it is prudent to disable all services that are not needed as they are potential security risks and also they unnecessarily waste hardware resources. For example, my machine does not have any pcmcia cards so I can safely disable it. Same is the case with postfix which is also not used. So how do you disable these services ...
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