📖 Glossary
What is MX Record (Mail Exchanger Record)?
A type of DNS record that specifies the mail server responsible for accepting email messages on behalf of a recipient's domain.
Detailed Explanation
MX records are how the internet knows where to route emails addressed to a specific domain. A domain can have multiple MX records with different priorities. The first step in email verification is checking if the domain has valid MX records. If it doesn't, the domain cannot receive email, and any addresses on that domain are immediately marked as invalid.
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