Spam Killer MailWasher Pro

"MailWasher Pro allows you to preview and delete unwanted email from an unlimited number of accounts before it reaches your inbox. It is compatible with POP3 and IMAP email accounts along with webmail such as Gmail and Hotmail. The software offers dynamic spam filtering and learns your mail preferences. It can also bounce back unwanted email to spammers so it looks as if your email address is not valid." Source: SMH