PlexMailer 6.5
PlexMailer is an anti-spam software. It supports POP3, IMAP, LDAP, NNTP and MBOX protocols. It comes with dozens of filters such as Bayesian Filter and ORBS, MAPS and DUL. Also, it supports server side options and integration with other products.

Email Sentinel Pro Email AntiVirus 2.7.8
Stop and quarantine any incoming email which contain email viruses, worms or exploit scripts... intercept emails before they reach your Inbox email folders... reduce the infection risk to zero... suspect attachments are password protected... choose which attachment types to block and which to allow... easily create safe senders list.

AVANTRIX SafeCheck 1.0
With AVANTRIX SafeCheck, you can safely download information on any messages in your POP3 email account inbox before downloading the messages with your default email client. This ensures you only get the email you want and protect yourself from embedded viruses in the incoming email as well as virus infected attachments. With the AVANTRIX SafeCheck, you can ensure your computer is better protected from harmful email.

Spam Alarm for POP3 2.2.2.18
Spam Alarm is a highly configurable and extremely efficient e-mail scanning software solution which can be tailored specifically to your system to remove the unsolicited e-mail. Spam Alarm utilizes our innovative multilevel filtering, statistical analysis of individual words and heuristic scanning.

Spam Blackout 1.5.0.68
Blocks Spam from your Inbox. Spam Blackout is safe and easy-to-use. Powerful Spam Filtering Engine. Works with Any Email Client Program e.g. Ms Outlook etc. Downloads from Hotmail, POP3 & IMAP. Spam Filters include Internet BlackList lookup for known spammers, Friends/Enemy List, Bayesian Analysis, Regular Spam Expressions, Email Attachment Filter, option to strip all HTML & Attachments from Emails. The Email Viewer is Virus Proof.

SpamEater Pro 4.1.0 beta
Since 1997, SpamEater Pro has been a leader in the spam fighting tools category. With SpamEater Pro 4, it even more powerful and easier to use with it's XP style interface. With SpamEater Pro you can fight spam easily and effectively. SpamEater can reduce the amount of spam you see in your mailbox by 95% or more! It'll also notify you of any waiting mail after it clears out the spam by using a popup window, or playing a WAV file.

VisNetic MailServer 9.1
VisNetic Mail Server is a versatile multi-featured mail server for Windows operating systems. VisNetic Mail Server can be licensed for any size organization as well as ISP and ASP environments. VisNetic Mail Server combines a simple, easy-to-use administration console with unmatched mail server security, speed, and scalability. VisNetic Mail Server features support for Sender Policy Framework (SPF) and Spam URI Realtime Blocklists (SURBL).

GFI MailEssentials for Exchange/SMTP 14
GFI MailEssentials is a server based anti-spam, anti-phishing and email management solution for Exchange/SMTP used by 80,000 customers worldwide. This solution uses two anti-spam engines to ensure a high capture rate and is available at an unbeatable price. With GFI MailEssentials, spam is caught before reaching the mail server, eliminating the need for client software. It also blocks phishing emails and adds email management tools to the server.

EF Mailbox Manager 5.10
Manage fast and easy as many as desired POP3 Accounts. It can automatically query into individually configurable poll time the mail servers or download the messages to the local computer for future use. Optional use secure authentication (APOP). With EF Mailbox Manager remove you annoying spam e-mail directly on the server. Requires: Typical Windows Installation. Multilingual. Shareware

Anti-SPAM Guard 4.0
Anti-spam software for Windows. Combines the maximum ease of use with the support of any mail client and power spam mail detection. The anti-spam filter is ready to run right after you install it and does not require additional configuration or training – even a newbie will be able to use Anti-SPAM Guard.