Using advanced heuristics, v4.3 assesses whether the domain accepts all emails regardless of the local part. It does this by sending a randomly generated, impossible username. If the server accepts it, the domain is flagged as a "Catch-All." The software then color-codes these addresses as risky.
: Separate "Valid," "Invalid," and "Risky/Catch-all" results. Export : Download the "Safe" list for your campaign. How to Verify Emails with SuperEmail Validator by H-Educate super email validator v4.3
For advanced users, v4.3 ships with sev-cli.exe . You can integrate this into: Using advanced heuristics, v4