Ans- To understand what is a yahoo email server and what is its importance, we need to first understand what is an email server. E-mail in simple words can be defined as a letter that we write with the help of our computer rather than using pen and paper. So, to send the letter and to make sure that we have written the address properly and then put it in a post-box through which the letter will reach to the receiver. Similarly, on Internet, the address is the Mail Id and the Post-office is the server. The server stores incoming mail and sends outgoing mail, just like a Post-Office. So, now you know that Yahoo E-mail Server is just like a post office in our surroundings. The only difference is it is not on a real location but rather on the Internet. In Comparison, to other E-mail server Yahoo provides benefits like you can send 500 emails which is similar to Gmail but is 200 more than outlook. The set up of Yahoo Email Server is also easy.