<div>
What specifically do you want to know - do you want to know more about the &nbsp;technical detail of the protocol itself or how it is used in practice.<br />
<br />
Give some more info about what you are looking for.
</div>


What specifically do you want to know - do you want to know more about the  technical detail of the protocol itself or how it is used in practice.

Give some more info about what you are looking for.

<div>
<div class="content wysiwyg-content">
is there a tutorial<br />
on<br />
SMTP mail transport layer
</div>
</div>


is there a tutorial
on
SMTP mail transport layer

smtp tutorial

PHP is a widely-used server-side scripting language especially suited for web development, powering tens of millions of sites from Facebook to personal WordPress blogs. PHP is often paired with the MySQL relational database, but includes support for most other mainstream databases. By utilizing different Server APIs, PHP can work on many different web servers as a server-side scripting language.

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.