How to check whether email address exists or not without sending mail (Simplest method)

Hi Friends, I dug many times on Internet to find this trick. In this article, I'll tell you how to know whether an email-ID exists or not without sending actual mail to that ID. We can accompanish this task by various methods like telnet in command prompt, or perl / php scripts, but these methods can be used effectively by the programmers or technical persons only. This

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Most useful and frequently used LINUX/UNIX commands with examples

Hi Geeks, This article will provide the most useful ad frequently used LINUX / UNIX commands along-with the example.

If I miss any command then don't forget to write them in comment.

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