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.

eMail Verifier is a powerful e-mail checking tool to verify your customers e-mail addresses from your mailbox or contact files.

TEmailServer is a built-in SMTP server that can simultaneously validate or verify email addresses and send multiple email messages. This component is ideal for building email address validator or verifier and bulk mailer applications.

Contacts Verifier is the Microsoft Outlook add-in designed to monitor the validity of email addresses. It is able to check your contacts throughout in a few minutes and notify you of contacts that contain invalid email addresses.

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; e-mail syntax, existence of SMTP mail server and e-mail box on server.

Check validity of emails in mailing lists, databases and address books. Advanced Email Verifier verifies every email address from a given mailing list and allows you to determine up to 90 % of dead e-mail addresses.

BulkVerifier is an efficient multi-threaded application for checking e-mail addresses and domain availability. Quickly and easily verifies email addresses, huge domains and clean up your mailing / domain list.

AMV determines which of addresses in mailing list are dead. The program supports databases (ODBC SQL), TheBat, Eudora and Windows address books, Socks5 proxy protocol. Has open ActiveX/COM and CGI/ISAPI interfaces for developers.

Small free software that will notify you about new messages arrived to your mailbox. The number of mailboxes MV can check is unlimited.

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 address

CSE HTML Validator Professional is a fast, powerful, user configurable, and easy to use professional web development tool that helps you create syntactically correct and accessible HTML, XHTML, and CSS. Fixes HTML. Also checks links.

CSE HTML Validator Lite is a fast, easy to use, and free HTML development tool for Microsoft Windows that helps create syntactically correct HTML and XHTML documents.