Email List Verification Process Explained

by James Carner Managing Director and CEO

My last article was all about email list validation. Is there a difference between email validation and email verification? Yes there is. Email validation fixes format issues and syntax errors while email verification reports if an email is valid (does the mailbox exist) and if not, lists the reason for the return path. Email validation fixes and/or removes duplicates, disposables, departmentals, botclickers, false positives, slow responses, forwarders, format errors, unicode characters and in some cases, checks the mail exchange record for numerous warning signs.

Email verification is all about non-return email deliverability by avoiding auto responders that can hurt your sender reputation. Valid emails without a return-path are favorable with email administrators and email service providers. The more emails you send, the more likely you will encounter bounces (hard or soft), vacation emails, challenge responses, replies from list servers or feedback reports.

An email verification service will use these steps in order to achieve true verification (not in order and not all verification companies do these step by step):

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