SMTP-Tester

Simple form page in ASP.NET that test the connection to a mail server via SMTP

File structure

• root HTML pages and files for indexing
• css Only css files
• images All images, icons and logos of the site
• lib External libraries used by the application

Code structure

The page is simply divided in:

• HTML Part A form where input SMTP credentials
• Script C# That tests the credentials by trying to send an email using SmtpClient