This script helps you verify your mailing list by inserting an image in your HTML mailings that will confirm that email address exists.
A simple routine to undupe a text file email list. It can be easily modified.
Checks any list of e-mail addresses and will remove all duplicates. Can run as both a CGI script or a command line tool.
This script will check any list of email addresses, find all duplicates, and write out only the unique addresses to a new file.
A simple utility to check your email lists for duplicate entries effortlessly. Dupchecker can either be run from commandline in a telnet session or as a web interface.
A unique 5-step cleaner that gets rid of duplicate emails, wrongly formatted addresses, multiple emails from the same domain and bans certain domains. Also verifies domain existance and email acceptance. Control interface for configuration. | 
