Eudora Pro Beta - Version 4.3.2 One of the best email clients around. Eudora Pro Email, selected as "Best of Class" by Windows Magazine, July '99, has more advanced, user-friendly features than ever. Eudora Pro sends, receives and filters e-mail while you read and compose messages. The spell checker underlines misspelled words and the search results are now displayed in one easy to access and navigate window.