The concept of modernization has not only influenced the social sphere of an individual's life, but has also posed a highly positive impact on the process of communication. Unlike earlier, when you needed to write long letters to be aware of the well-being of your near and dear ones living at distant locations, you just need to be well-equipped of all the technological skills so that you can handle and deliver electronic mails for a successful communication. In order to send emails, however, your computer system must have an SMTP mail server installed on it. Several SMTP mail server software alternatives have come into existence in recent times, which once installed within your PC will serve your purpose of efficient communication really well.

The SMTP mail server relay services were introduced with an aim of bypassing the restrictions that ISP posed on the process of email delivery. But the conventional services of these servers have hardly been able to deal with the defects. They were considered to be ineffective when it came to high-volume or bulk permission mails. Therefore, to manage the shortcomings of the traditional SMTP services, a new hybrid form of the SMTP server with additional features putting more focus on the deliverability of the protocol has come into existence. Well-equipped with all the aspects of ISP restrictions, the advanced SMTP mail server knows very well how to, actually handle and deliver mail, in spite of these strict ISP authentication standards.

The hybrid SMTP mail server exhibits several critical features that helps in successful and instant delivery of the emails that are prepared by the sender. The features of high-deliverability SMTP are as follows:

• Virtual Routing: The most important thing that the SMTP mail server does for you is it separates the regular and transactional mails from your list of high-volume emails that are prepared for email marketing purpose. Based on the emails that are more likely to be blocked by the ISP restrictions and corporate Spam filters, the server makes this separation.

• Differentiated Sending: As the name of the process itself conveys, the emails in this case are sent after several optimizations. The speed, connection, routing options and timeouts are required to be adjusted and optimized per domain depending upon the ISP policies as well as its preferences. This differentiation makes it easier for the emails with personal or professional objectives to be sent to the recipients without any complication.

• Authentication: The authentication set up and standards of the high-deliverability SMTP mail server is put on par with that of the standards adopted by the ISP. These standards include Sender ID, SPF, Domain Keys, etc, which, in turn, improves the deliverability of the server to a greater extent.

• Live Updates: Keep on updating your system from time to time depending upon the transforming domain policies. To cope up with the ever-changing SMTP mail server system trends, however, you can bounce filter definitions and other domain throttling configurations as per recommendations.

Installing SMTP mail server software ,therefore, serves to be very important, if you want to make your communication process effective and successful. High deliverability feature of the hybrid SMTP mail server ,however, have emerged to be the most efficacious technology for convenient emailing, in spite of ISP restrictions as well as its aggressive authentication standards.