1. Simple Email with Unicode Support
This demo allows you to send an email message in any language.

2. Email with Attachments
This demo allows you to send email to multiple recipients and also upload attachments.

3. Encrypted Email
This demo allows you to send certificate-based secure mail.

4. AspEmail.NET-based Live Demo
This demo has it all: Unicode, attachments, encryption and digital signing (C# and VB.NET.)