This effective program works with most email clients such as Outlook, Outlook Express, Incredimail, Windows Mail, Thunderbird, Gmail, AOL, Yahoo Mail, Windows Live Hotmail, etc.
MailWasher works directly with your email server, exactly like your email program like Thunderbird does, one important difference is you can tell MailWasher to delete a message at the server, without downloading it.
MailWasher retrieves information about all the email on the server. With that information you can decide what to do with each individual email - download, delete, report or bounce it back.
The free version supports only one account and comes with ad supports. However, this is certainly a very easy to use, powerful spam blocker software