Mail Transfer Agent (MTA) – Post SMTP
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Glossary

Mail Transfer Agent (MTA)

Mail Transfer Agent (MTA)

A Mail Transfer Agent (MTA) is software responsible for sending and routing email between servers. It receives messages from a Mail User Agent (MUA) or another MTA, then determines the best path to deliver them to the recipient’s mail server. Common MTAs include Postfix, Sendmail, and Microsoft Exchange.

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