Email permutation

An email permutation is one candidate address built from a name and a domain. For Jane Doe at acme.com, common permutations include jane@, doe@, jane.doe@, janedoe@, jdoe@, j.doe@, janed@, jane_doe@ and doe.jane@. A permutator tool generates these lists automatically.

Permutations are only candidates. To know which one exists, each needs to be checked with email verification. If the domain is catch-all, every permutation is accepted by the server, so verification can't separate the right one from the wrong ones.

Sending to unverified permutations, or worse, to several at once hoping one lands, is a reliable way to collect hard bounces and damage your sender reputation. Permutation is a research technique, not a sending strategy.

Skrap.ai's email finder does this work for you and returns only the most likely work email, verified before it's returned, with no charge when nothing is found. If you generate permutations yourself, check them with the free email verifier: Invalid results are free, so ruling out wrong guesses costs nothing.