Verify Email is a free email verifier. You can use it to verify an email address for free with a simple drag and drop icon for your taskbar or desktop. Individual email lookups are free and unlimited.
What's new in Verify Email
Version 1.1: Release notes were unavailable when this listing was updated. Note: The version number reported in Finder, 1.7.2, reflects the Fluid runtime that serves as the basis for this application. The developer states that this is version 1.1.