You can delete or report the spam one by one or as a group of marked messages.

For reporting single spam, use the Options menu item Mark as spam.

For reporting multiple spam in the Inbox, choose the Options menu item Mark emails, put a check each spam's checkbox, and choose the Options menu item Mark as spam.

After the marked email is removed, the display refreshes with the remaining email.

You can delete or report a set of up to 10 emails at a time.