eMail Verifier
Maintain clean mailing lists checking the validity of recipient's e-mails addresses. eMail Verifier can save time and money for businesses who send newsletters to their clients, nonprofit organizations who send bulletins to their members, or any person or business that needs to maintain a clean... " Email Verifier verifies every e-mail address from a given mailing list, allows to determine 80-90% of "dead" email addresses. ... It does not send the message though - eMail Verifier disconnects as soon as the mail server informs the program whether the address exists or not.
http://www.maxprog.com/shareware/eMailVerifier_US_setup.exe - 1Mb - Download - Screenshot

Super Email Verifier
Super Email Verifier is a program that verifies the validity of e-mail addresses in mailing lists. The program works on the same algorithm as ISP mail systems do. There is no need to disturb your clients and friends anymore just to verify their addresses. ... Super Email Verifier can find about 95% of dead addresses. ... Super Email Verifier can save time and money for businesses who send newsletters to their clients, or any person or business that needs to maintain a clean e- mail contact list.
http://www.bulk-office.com/download002/sev.exe - 2Mb - Download - Screenshot

1st Email Address Verifier 2006
1st Email Address Verifier (EAV) is a program that verifies the validity of e-mail addresses in mailing lists. The program works on the same algorithm as ISP mail systems do. Mail servers addresses for specified address are extracted from DNS. The program tries to connect with found SMTP-servers... 1st Email Address Verifier can save time and money for businesses who send newsletters to their clients, nonprofits who send bulletins to their members, or any person or business that needs to maintain a clean e-mail contact list.
http://www.dvd800.com/download/1steav.exe - 2Mb - Download - Screenshot

Advanced Email Verifier
Advanced Email Verifier (AEV) is your powerful solution for the "message delivery error". AEV is designed for system administrators, webmasters, programmers as well as for those advanced users who have their own mailing lists and need to keep them up-to-date. ... This happens because the appropriate mail servers receive all the messages regardless of whether the email address is valid or not, and then return the message if the email address doesn't exist anymore. ... AEV verifies every email address from a mailing list or database and determines up to 70-80% of "dead" email addresses.
http://mirror1.glocksoft.com/aev.zip - 4Mb - Download - Screenshot

Smart Email Verifier
Smart Email Verifier will check every email address from a given mailing list and determine if e-mails are still valid. It does 3 levels of checking; first it will check the e-mail syntax, next it will verify the existence of the SMTP mail server and finally e-mail box on the SMTP server. ... Smart Email Verifier can save time and money for businesses who send newsletters to their clients or any person that needs to maintain a clean e-mail address list. ... CSV), Word, and ODBC support, allowing to work with DBMS like MS SQL, Oracle, MySQL, MS Access and others.
ftp://deskshare.com/sev/sev.exe - 4Mb - Download - Screenshot

Power Email Verifier
Power Email Verifier can check your email lists for valid emails. It can import large lists with no problem. Uses multithreading to verify emails at a very fast rate. Simulates the sending of email without sending any messages. Program supports the following file formats: delimited, text, csv -... Verified email records are saved in the same format that they are imported in. ... Program comes completely pre-configured, just load list and go!
http://tecsoftware.biz/download/PowerEmailVerifier.exe - 3Mb - Download - Screenshot

Outlook Email Verifier
You are sure to do with the sorting of Outlook contact list, deleting old addresses that do not exist anymore, adding new ones. Usually we do not have any problems with new addresses adding but it is not so easy when it comes to the revision of the old addresses. ... Yes, now it is possible with Outlook Email Verifier plug-in. ... b) The possibility of different address types checking (From, TO, CC, BCC). ... Is it possible to check all email addresses in Outlook mailboxes at once? ... Then the plug-in works and provides a report of dead and existing email addresses.
http://www.etopping.com/download/emailverifier.exe - 879Kb - Download - Screenshot

Send-Safe Email Verifier
Send-Safe Email Verifier determines which addresses in mail list are dead and which alive. The program works on the same algorithm as ISP mail systems do. Send-Safe Email Verifier tries to connect to SMTP-servers and simulates the sending of message, but does not come to the message sending. ... Send-Safe Email Verifier is shareware. ... - Ability to email syntax checking. ... - Ability to save current state and resume it at the next start. ... Unregistered version does not allow to save results of verification.
http://www.send-safe.com/ssev.exe - 333Kb - Download - Screenshot

Hotmailer
Hotmailer is a bulk email sender, email address finder and verifier. It can efficiently search large amount of e-mail addresses from a mail server in a short time. With built in SMTP server, it will connect to the remote server and post email addresses for verification. ... If the email address is valid, Hotmailer will automatically send the mail. ... With a 56K internet connection speed, you can expect to send approximately 2000 or more mails per minute.
http://www.chithai.com/hotmailer/hotsetup.exe - 580Kb - Download - Screenshot

High Speed Verifier
High Speed Verifier (HSV) is a high-speed software designed to check e-mail address for existence. HSV is capable of checking thousands of addresses per second. It can easily deal with mailing lists containing tens millions of addresses; moreover, it is with this list size that the program's... More thorough checking (with which the rest 40% of dead emails could be detected) takes 10 times longer and requires 5 times greater traffic for each address, hence it's not that advisable with huge lists.
http://www.mailutilities.com/hsv/hsv.zip - 938Kb - Download - Screenshot