Emailserver detector   
http://www.worldminer.com

Emailserver detector is a software designed to directly search email addresses from mail servers. It can verify all user names that you specified on the mail server.The program tries to connect with a specail Smtp-server and simulates sending the message. It does not come to the message sending ,in fact,It disconnect as soon as mail server informs does this address exist or not.The program is multi-threaded that provides the high speed of verifying. Using this software, you can get lots of email addresses from a special email server,For example :Hotmail.com .It can also send message to valid email addresses while searching.It has Embeded in a SMTP server that quickly send mass email directly to recipients.No use your ISP'S SMTP server.You can also save the valid email addresses to a one-per line text file.

Internet Drummer!   
http://www.xemico.com

This program works in the system tray and serves for checking unlimited number of POP3 e-mail accounts. It can execute various types of notifiers whenever there is new e-mail waiting in your mailbox. Each e-mail account can have its own checking interval. You can preview messages while they are still on server and decide which messages to keep and which should be removed immediately. You can set a list of spam filtering conditions and program will automatically remove such messages. You can also set a list of friendly e-mail notifying conditions and get extra notification when such messages arrive. Program also allows you to maintain a list of web pages it should periodically visit and check for changes. Whenever it detects a change on a web page you will be notified by selected notifier and/or automatic web browser launch.

Advanced Mailbox Password Recovery   
http://www.elcomsoft.com

A program to recover login and password information (stored locally) for most populat email clients: Microsoft Internet Mail And News, Eudora, TheBat!, Netscape Navigator/Communicator Mail, Pegasus mail, Calypso mail, FoxMail, Phoenix Mail, IncrediMail, @nyMail, QuickMail Pro, MailThem, Opera mail, Kaufman Mail Warrior. Also includes POP3 server emulator that allows to get POP3 password from ANY email client. Passwords are recovered instanly, multilingual ones are supported.

Mail Trustee   
http://ml-tr.com

Do you get a lot of unwanted mail in your mailbox? - Are you tired of selecting unwanted messages and wasting time on them? - Do you lose wanted messages amidst all that trash you get in your mailbox? - Do you pay extra money because your mail client receives unsolicited mail? Mail Trustee will help you solve these problems and more! Mail Trustee: a system of E-mail protection programs intended to protect your mailboxes from unsolicited mail (spam). Mail Trustee acts as a proxy server, which is situated between your mail client and mail server. Our unique technology will filter out a huge percentage of the spam, allowing minimum possible mail server access time with a minimum volume of sent and received information. Mail Trustee supports up to 255 mailboxes and each mailbox may have its individual settings for spam filtering and mail rocessing. Mail Trustee has a flexible system of settings which allows adapting it to a user's needs. An individual functioning cycle can be set up for each mailbox; it will include: - Receiving mail from mail client with further transfer to mail server - Transfer of received mail from mail server to mail client - Establishing an Internet connection if needed - Mail transfer to mail server - Mail analysis on mail server, unsolicited mail detection for decision-making (delete, accept, etc.) - Receiving mail from mail server - Interrupting an Internet connection if needed While analyzing mail, all necessary types of checks are performed, which gives an excellent result in spam filtering. The following checks may be used in the system: - Allowed E-mails - Forbidden E-mails - Allowed zones - Forbidden zones - Allowed domains - Forbidden domains - Field validity "To:" - Field validity "Received:" - Field syntax "From:" - Lists DNSBL - Allowed expressions in Subject - Forbidden expressions in Subject - Forbidden expressions in Header - Allowed expressions in Message - Forbidden expressions in Message