Open Directory - Reference: Directories: E-mail
- Interactive search of e-mail directory listings.
- Database of new email addresses that match with old ones. Includes anti-spam protection.
- Fee-based service. Search for email addresses in the United States using first and last name, or find who uses an email address.
- Search engine connecting old e-mail addresses to new ones. Invites registration of new e-mail addresses.
Free Email Guide
- Guide to free email search engines and directories. Lists the features of each service.
- A free change of email address directory where you can search by name or old email address. Email appending, ECOA and list hygiene services available for businesses.
MESA: Meta Email Search Agent
- For a given name it searches in parallel at (nearly) all available sources of email addresses on the Internet.
- Email data quality services for businesses: email append, email change of address (ECOA), and email list hygiene.