مرکز آموزش

How to check your SPF record?

Please go to http://www.kitterman.com/spf/validate.html

A basic Internet program that lets you verify that a particular Internet address exists and can...

ISP stands for Internet Service Provider. An ISP provides Internet Services. A...

A browser fetches a page from a web server by a request. A request is a standard HTTP...

The Web is a network of computers all over the world. All the computers in the Web...

All web pages contain instructions for display. The browser displays the page...