ChoiceMail One
ChoiceMail is a spam-blocking system based on the premise that all incoming email is assumed to be spam until senders have obtained permission (called registering) to send you email. Until they do so, mail from unapproved senders will not appear in your email application. ... When our system tray icon flashes, you've got legitimate mail. ... The registration process requires manual intervention by the sender, thereby eliminating all automatic spamming systems. ... If they do so you are notified so that you can choose to approve (or not) all future emails from that sender.
http://dl.filekicker.com/send/file/144451-SENP/CMOInstaller.exe - 13Mb - Download - Screenshot

yMail
yMail can be used as a spam cleaner for your existing email setup, and also as a standalone email client. yMail's spam filters use Bayesian techniques. You can show yMail which messages are spam and which are not (before you even download them to your computer! ... yMail can also be used as a mail scanner - you don't have to use the email portion of the program, just use yMail to preview and automatically delete spam before downloading into your regular email software. ... After a few days, it will be able to sort mail quickly and efficiently without any input.
http://www.spacejock.m6.net/files/yMailFull.exe - 3Mb - Download - Screenshot

SPAMfighter SMTP Anti Spam Server
SPAMfighter SMTP Anti Spam Server, is the easy-to-use anti-spam solution for Microsoft Windows Servers. SPAMfighter SMTP Anti Spam Server is powered by the SPAMfighter Server, which is updated by the SPAMfighter community of more than 1. 2 million users across the globe. ... If the SPAMfighter Server determines that a message is spam, it filters the mail before it is moved to the user's spam folder. ... SPAMfighter SMTP Anti Spam Server delivers instant spam protection with no configuration or maintenance what so ever.
http://download.spamfighter.com/download/smtp/setup.exe - 4Mb - Download - Screenshot

Junk Mail Remover
Delete junk mail (spam, virus, trojan, and e-mails with big attachments) fast and easily. If your connection is slow (dial-up, GPRS, etc) or you have to pay for internet traffic, this program will save your time and money. Junk Mail Remover connects to your mail POP3-server and downloads all... Program features: Ability to remove junk, spam, and virus messages right on your POP3 server with no risk of infection. ... Then you mark them for deletion and the program removes marked messages from mail server.
http://www.10-strike.com/junk-mail-remover/junkmailremover.zip - 819Kb - Download - Screenshot

Lockspam Pro
Lockspam Pro is safe anti spam filter software for Outlook, Outlook Express, Eudora, Incredimail, Mozilla, The Bat! , Pegasus, Foxmail and other POP3 mail clients. It safely kills the spam and protects your innocent mails. Lockspam adopts Polesoft unique patent-pending anti spam technology... Free and frequent updates for Anti Spam Engine, Security Packs, BBL and add-ins for Outlook and Outlook Express to fight against the latest epidemic spam. ... Work with most POP3 Mail Clients 2. ... Spam are killed before reach your Inbox.
http://eu2.polesoft.com/files/lockspam_pro.exe - 12Mb - Download - Screenshot

POP3 Cleaner PRO
A powerful manual/automatic mailbox cleaning utility with anti-spam capabilities for Windows. You can preview and delete unwanted e-mail messages directly from the mail server and retrieve the rest with your e-mail client (e. g. MS Outlook). Every message is shown with its sender's address,... It can connect to the mail server in desired time intervals, check for the new mail (notify you on new mail arrival), apply the anti-spam rules and delete the unwanted messages directly from the mail server.
http://www.acmetoolz.com/pop3cln.html - 352Kb - Download - Screenshot

MassMail
MassMail is a free utility that can send out mailings to multiple addresses at a time. Very useful for newsletters, etc. and you don't need to use a 3rd party. Warning: By using this software you agree not to send SPAM mail.
http://www.kgpsoftware.com/downloads/mmail10.exe - 381Kb - Download - Screenshot

Antispam Scanner
Let's face it - spam is a 14 billion dollar a year problem that is not going away any time soon. Modern anti-spam solution do very little to help businesses and individuals with this problem. The most advanced applications that use heuristics and boast a 99% spam exclusion rate don't mention... It does not matter what e-mail client you use. ... After the program is set up, Antispam Scanner connects to your mailbox and purges it free from spam right on the server. ... After the program "kills" all obvious spam and viruses, it processes the rest of the messages.
http://www.styopkin.com/AntispamScannerSetup.exe - 829Kb - Download - Screenshot

Spam Crusher
Spam Crusher is designed to filter unwanted email, while allowing the email you want to receive. Spam Crusher can be configured to filter multiple email accounts. If your email program is Outlook, Outlook Express, Eudora, Incredimail Xe, or PegasusMail, Spam Crusher will automatically detect... As you can see, Spam Crusher is designed to help eliminate SPAM from your email. ... Spam Crusher will not filter any email from someone on your 'friends' list. ... Continuously *crushing* more of the junk mail aimed at you!
http://www.americansys.com/downloa...p.americansys.com/spamcrusher.exe - 774Kb - Download - Screenshot

Chrysanth Email Notifier
Chrysanth Email Notifier is a POP3, IMAP4 and Gmail notification software that helps you to get notified of every incoming email and even spams in your mail boxes while they are still sitting on the remote email servers. Running in the background and minimized into a tray icon, Chrysanth Email... Meanwhile, you may also configure Chrysanth Email Notifier to alert you with "You've got spam" sound whenever spams or junk emails are detected. ... Chrysanth Email Notifier is intuitive and easy-to-use and features a Startup Wizard to help new user.
http://www.chrysanth.com/downloads/getfile.htm?CSEmailNotifier.zip - 4Mb - Download - Screenshot