a little software engineering, a little biotech
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  • A Mailserver on Ubuntu 18.04: Postfix, Dovecot, MySQL

    This long post contains a recipe for building a reasonably secure Ubuntu 18.04 mail server in Amazon Web Services, using Postfix, Dovecot, and MySQL, with anti-spam packages in the form of amavisd-new, Clam AntiVirus, SpamAssassin, and Postgrey. Let's Encrypt is used to provide an automatically renewing SSL certificate. Local users are virtual rather than being system users. Administration of users and domains is achieved through the Postfix Admin web interface. Webmail is provided by Roundcube. This is an updated version of earlier Ubuntu 12.04, Ubuntu 14.04, and Ubuntu 16.04 mailserver recipes. A number of people graciously helped to fix bugs and make improvements in the original, so should you find a blocking issue here please do let me know. Introduction Building a Linux mailserver from […]

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