VanMail 

VanMail is a powerful POP3/SMTP email client that allows you to manage your email with ease. With VanMail's powerful built-in SPAM protection, you control the emails you want to receive. VanMail even comes with an advanced challenge-response system.
e-mail client email client download free shareware e-mail email free email free e-mail anti-spam email filters e-mail filters auto-respond

Outlook Email Verifier 

From time to time users do change their e-mail addresses due to some reasons (lost password, SPAM flows, etc). Therefore it is a good idea to validate the email addresses in your Address Book and mailboxes periodically. Try Email Verifer for FREE.
outlook bcc message autofill autocomplete automatic filling autofilling

Anti-Spam Filter 

Anti-Spam Filter is an innovative self-learning system, offering you spam protection without deleting the important correspondence. Anti-Spam Filter maintains its own collaborative spam-tracking database, which uses the signatures of spam messages.
free anti spam free spam killer free spam filter free spam block free spam blocker free stop spam free anti spam software free spam stopper free spam assasin

Outlook Spam Filter 

Outlook Spam Filter is an easy-to-use MS Outlook add-on that protects your Inbox against spam. Bayesian filtering technology. Auto-learning Ability. Quarantined e-mails are stored in a separate SPAM folder. POP3, IMAP, HTTP and MS Exchange support.
outlook filter anti-spam spamfilter bayesian software blocker blocking microsoft utility anti

Spam Bully 3 for Outlook Express 

Outlook Express Bayesian spam filter. Allow/Block list. Bounce spam back to spammers. Report spammers. Forward only good email to your cellphone. Auto delete spam. Challenge emails. Stats. Convert the toolbar into your own language. Customizable.
spam filter spam bully spambully outlook express spam filter bayesian spam filter bayesian spam killer spam blocker email e-mail outlook express

mxORB 

mxORB is a server-side spam filter that consistently blocks over 98% of unsolicited commercial email (also known as spam) at a fraction of the cost of other filtering solutions.
exchange 2000 spam filter exchange 2003 spam filter exchange spam filter exchange iis smtp uce unsolicited commercial email filter open relay blacklist event