Email List Validator (Email List Validation and Email List Cleaning) - a free, easy-to-use email list check tool providing full-service email list validation and cleaning (free for 100 email addresses). The online validation process includes all of the following steps: Syntax verification (IETF/RFC standard conformance), DNS validation including MX record lookup, Disposable email address (DEA) detection, SMTP connection and availability checking, Temporary unavailability detection, Mailbox existence checking, Catch-All testing and Greylisting detection.
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