MailList Validator 2.0 (2.3 MB) is an email address validator. Also, determines whether or not certain addresses exist. Freeware for Windows 98 and above.
Kookie Jar (1.1 MB) is a tool that generates signatures for use with your favorite email or news program. Signatures can include a random quote or tagline chosen from a file that you specify (samples are included). Apart from an optional random quote, the program can place many other pieces of information in your signature line. Signature layouts can be stored in a special template (sample included). For all versions of Windows.
Mail Box Dispatcher (980 KB). Delete unwanted messages from your mailboxes without downloading them. Auto-mark unwanted messages for deletion, accent messages by color, and receive new message notifications by playing a sound or flashing a tray icon. Launch an e-mail client or execute command-lines directly from the program. Provides multi-language support. Freeware - non-commercial use. For Windows 98/ ME/ NT/ 2000/ XP.
EmailTray (9.7 MB) allows you to manage all your email accounts (Webmail, POP3 and IMAP) from one place. You can instantly view a message and reply, rescue good mail from spam folders, and EmailTray will determine email importance based on your email habits and interconnections between senders. Freeware for Windows XP/ Vista/ 7.
3D Mailbox 126.96.36.199 (72 MB) provides a smarter e-mail experience. Uses videogame technology and email based IM and chat. See the online/ away/ offline status of anyone you mail. Freeware version places watermark in outgoing mail. Requires Windows XP/ Vista and DirectX 9.
POP Peeper (660 KB)is a utility that runs in your Windows task bar and alerts you when you have new email on any of your POP3, Hotmail, MSN or Yahoo accounts. You can also use POP Peeper to read and delete your email. Supports HTML email, so you can see your email the same way as you would in your email client. Freeware. For Windows 9x/ Me/ NT/ 2000/ XP./
EZ Checker (349 KB) is a system tray app that checks for new email on different email account types and using different protocols. Supports POP3, IMAP, Yahoo! Mail, Hotmail and Organizer Accounts. Features include sound alerts, blinking tray icon, separate message windows and more. Freeware for all Windows 98/ ME/ 2000/ XP.
PSPOP3 Inspector (1.1 MB) is a POP3 Client with SSL/TLS support that allows you to preview and delete messages directly on your mail server to prevent dangerous code from infecting your PC. Freeware for Windows 2000/ XP/ Vista.
POPFile (5.7 MB) is an automatic email classification tool that works in the background scanning mail as it arrives and filing it however you wish. It can do simple jobs like separating out junk e-mail or complicated ones - like filing mail into folders. For Windows 9x/ NT4/ ME/ 2000/ XP.
Thunderbird (5.9 MB) is a full-featured, cross-platform e-mail and newsgroup client that makes e-mailing safer, faster and easier. Too many features to list. Freeware for Windows, Mac and Linux.
POP Peeper 3.3.1 (1.02 MB) is an email notifier that runs in the Windows task bar and notifies you of new email on your POP3, IMAP, Hotmail MSN LiveMail, Yahoo, GMail, Mail.com, MyWay, Excite, Lycos.com, RediffMail, Juno and NetZero accounts. Functions include Send mail, view mail, an address book, etc. Freeware for Windows 95/ 98/ Me/ NT/ 2000/ XP/ Vista.
Vemail Voice Email (236 KB) lets you record and send voice messages using ordinary email. Enter an email address and then press and hold down F6 while speaking. When you have finished recording, the message will be compressed and automatically sent as an email in .wav or mp3 format. Basic version is freeware for Windows 95/ NT4/ 98/ 2000/ Me/ XP/ 2003 but limited to 5 emails per day after 14 days.