Some screenshots of PopFree SE.

This is the main view. It's what you see when you've used PopFree to scan your mail:

What the buttons do:

	Define a new server or switch to a different server.
	Quickly switch to the next defined server.
	Connects to your mail server and scans your mail.
	Disconnects from your mail server, deleting any mail marked for deletion.
	Connects to your mail server, scans your mail and disconnects without deleting any mail.
	Marks the selected mail message for deletion.
	Unmarks the selected mail message. It will not be deleted.
	Marks the selected mail message as suspect. This has no affect on your mail. It just draws your attention to the message.
	Pops up a window showing you the full headers of the selected mail message.
	Shows you your library of filters.
	Pops up a dialog that allows you to create a new filter.