Sample: WinForm Mail Sender Application
Write an e-mail, add an attachment and send it, either synchronously
or in the background, with or without progress bar dialog.

The sample demonstrates:
- Authenticating to SMTP server
- Sending mail asynchronously in the background
- Subscribing to transfer progress event and displaying progress bar
- Adding attachments
For a similar command line application, check out
our Advanced SMTP Mail Sender sample.
See also: