← Glossary
Email validation
Email validation checks whether email addresses are likely to be deliverable, by testing their format, whether the domain accepts mail (MX records), and whether they're disposable or role-based.
Validating a list before you send protects your sender reputation and keeps bounce rates low. Typical checks include:
- Syntax: is the address correctly formed?
- MX records: does the domain have mail servers set up to receive email?
- Disposable domains: is it a throwaway address?
- Role addresses: is it a shared inbox such as info@ or sales@ rather than a person?
- Typos: is
gmial.commeant to begmail.com?
Results are usually grouped as valid, risky or invalid. Remove invalid addresses before sending, and treat risky ones with care.
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