Postfix (software) - Typical Deployment

Typical Deployment

As an SMTP server, Postfix implements a first layer of defense against spambots and malware. Postfix is often combined with other software, for spam/virus filtering (e.g., Amavisd-new), for message store access (e.g., Dovecot), and perhaps for complex SMTP-level access policies (e.g., policyd-weight or greylisting).

As an SMTP client, Postfix implements a high-performance parallelized mail delivery engine. Here, Postfix is often combined with mailing list software (e.g., Mailman).

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