Sending mail from website when some event or action occurs is one of the most important factor to keep intact users and administrators with each other about activities happening within web site.
It may be in the form of
Email processing, customization and management is one of the most compicated approach in web application as there are hundreds of activities require sending mail to external mail engines and it may more complicated if user or admin use project for two or more different domains with different approaches.
Video Starter Kit introduced centralize way to manage and customize mail templates. Administrator can access mail template section within control panel under settings / mail templates section.
There are various templates available which can be easily customize using editor. Detail is shown through screenshot.

Tips for Customizing Mail Template:
The tags display in "Allowable Tags" section can be used same it is while writing mail template. e.g for registration mail, the following tags available
Tags : [username] , [password], [key_url]
These tags translated to actualy data after mail processing e.g
[username] -> translated to username of user for which mail will be send e.g tommy01
Mail Subject:
[username] you are successfully registered with us.
will be translated to
Tommy01 you are successfully registered with us.
You can write any level of mail, when you need.
Notes:
Some points regarding mail processing engine.
Core Function Location:
Core function for each mail template located on pages / modules / classes from where it is used. e.g Registration mail template core function avilable at Register.aspx.cs or .vb file.