Web Directory

» Email Verifier
   Validate that an email address is valid using Java, ColdFusion, or PHP. The tool checks address syntax, dns mx records, and the mail server without sending an email.
   http://www.activsoftware.com/email/verify/

» Fast Email Verifier
   Checks a validity of e-mail addresses in databases, address books , spreadsheets or any other mailing lists. Nothing is sent to the recipient.
   http://www.lencom.com/verifier.html

» FreshAddress.com - Email List Building, Correction and Updating
   Our e-mail appending, e-mail list cleaning and correction, and ECOA (e-mail change of address and updating) services help you build and update your e-mail list.
   http://www.freshaddress.com/biz

» Mail Validator
   Verifies email addresses are deliverable in an email list.
   http://www.mailvalidator.com