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CentOS 7 Linux Server Cookbook - Second Edition by Jonathan Hobson, Oliver Pelz

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Delivering the mail with Dovecot

In a previous recipe, you were shown how to configure Postfix as a domain-wide mail transport agent. As we have learned in the first recipe of this chapter, Postfix only understands the SMTP protocol and does a remarkable job to transport messages from another MTA or mail user client to other remote mail servers or storing mails which are destinated to itself into its local mailboxes. After storing or relaying mails, Postfix jobs end. Postfix can only understand and speak the SMTP protocol and is not capable of sending messages to anything other than MTAs. Any possible recipient user for a mail message who wants to read his mails would now need to log in to the server running the Postfix service using ssh and look ...

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