POP3 Sweeper
POP3 Sweeper is an email removal program that allows you to delete email messages directly from your email server, before it is dowloaded into your computer. It can save substantial amount of time, specially if you are using a dial-up account. POP3 Sweeper is simple to use, yet powerful enough... - Safely preview and delete email directly from your email server. ... - Spam filter, anti spam, junk mail, email filter tool, pop3 mailbox cleaner. ... Features : - Check unlimited number of email accounts.
http://www.devicode.com/pop3sweeper/p3ssetup.exe - 1Mb - Download - Screenshot

POP3 OCX
The POP3 OCX component is an advanced Active-X control which can be embedded into any Active-X compatible environment, and used to check pop3 servers for email. With the control you can enumerate the properties of received emails for validation or data retrieval. ... The component has a full series of properties and methods that can be used to interact with email.
http://www.fho2.com/downloads/pop3ocx.zip - 1Mb - Download - Screenshot

Subscribe Emails
Subscribe Emails helps you organize subscription to email mailing lists on Internet websites. It lets you check POP3 email mailboxes for subscribe or unsubscribe email requests, download email messages with the requests to your computer, get email addresses and sender names from them and create... Subscribe Emails can be configured easily, all you need to do to get started, is to set up a couple of POP3 email accounts for subscribe and unsubscribe email requests, and specify two phrases like SUBSCRIBE and UNSUBSCRIBE used for detecting requests of different types in the incoming mail.
http://www.softstack.com/download/subsceml.zip - 659Kb - Download - Screenshot

Chilkat WebMail ASP Email Component
Powerful POP3/SMTP email client specifically tailored to be used in ASP websites.
ftp://www.chilkatsoft.com/WebMail.exe - 371Kb - Download - Screenshot

Mail Password
Mail Password is a universal password recovery tool for POP3 email accounts. It recovers all POP3 email logins and passwords stored on your computer by your email software. Mail Password is a universal solution, it supports ALL email programs, including Outlook, Eudora, The Bat! ... Mail Password uses this method to recover lost email passwords. ... However, there are two limitations: 1) Mail Password does NOT recover passwords to Web-based email accounts, such as Hotmail, Yahoo, usa. ... The universal solution lies in POP3 server emulation.
http://lastbit.com/mailpsw.zip - 203Kb - Download - Screenshot

No Spam Today! for Workstations
No Spam Today! for Workstations was created for users of Outlook, Outlook Express and all other POP3 email clients to protect mailboxes against spam, malicious attachments and viruses. Acting between your mail client and your mail server No Spam Today! ... for Workstations with any POP3 mail client. ... Automatic spam protection for all your Outlook POP3 accounts. ... A complete one stop setup routine that installs one of the world's most advanced and thorough email spam filters on your PC in a matter of minutes.
http://download.byteplant.com/download/nospamtodaywst.zip - 6Mb - Download - Screenshot

SpamDummy!
SpamDummy! is a powerful and easy to use spam blocker for all POP3 email clients including Microsoft Outlook, Microsoft Outlook Express, and more. SpamDummy! blocks spam, email viruses, and harmful content directly at the email server so that you never have to waste time downloading them. ... is compatible with Windows 95/98/ME/NT/2000/XP, Microsoft Outlook/Outlook Express, and all other POP3 email clients. ... These rules allow you to block email containing certain words in the body, subject, etc.
http://www.dummysoftware.com/SpamBlockSetup.exe - 655Kb - Download - Screenshot

Email Subscriber Pro
Email Subscriber Pro is an email utility, which helps you realize subscription to email mailing lists on Internet websites. It uses POP3 email accounts to receive subscribe and unsubscribe requests from respondents, extracts email addresses and sender names from email messages on fly, and... Email Subscriber Pro can be configured for a couple of seconds, all you need to do to get started, is to set up two POP3 email accounts for subscribe and unsubscribe email requests, and specify two words like SUBSCRIBE and UNSUBSCRIBE used for recognizing requests of different types in the incoming email.
http://www.getfreefile.com/download/subscr.zip - 713Kb - Download - Screenshot

Mail UnKnown Anti-Spam
Stop spam with Mail UnKnown. Mail UnKnown does NOT use spam filters to guess what? s spam and what? s not. It uses a Verify then Validate method giving you full control of the emails you receive. All incoming emails are put on hold until the sender of the email is first verified. ... Mail UnKnown is compatible with virtually any email program or service that uses the standard POP3 for receiving email. ... Here are just a few: Outlook Express, Outlook, Netscape, Eudora, Pegasus Mail, Yahoo Plus email (with email client).
http://www.mailunknown.com/mailunknown_setup.exe - 1Mb - Download - Screenshot

All2POP
All2POP is a gateway for POP3 client accessing various web-based email services e. g Hotmail, and Yahoo. All2POP takes care of your free, web-based email accounts, you no need regularly checking them; you are worry-free about losing your free, web-based email accounts. ... The main features: - Allows POP3 email client to access free, web-based Hotmail email account; - Allows POP3 email client to access free, web-based Yahoo email account; - Supports unlimited web-based email accounts; - Provides an unique animated tray icon on the taskbar.
http://www.mailspeaker.com/download/All2POPSetup.exe - 2Mb - Download - Screenshot