Ubuntu Email Server with Postfix, Dovecot, and MySQL

————— Update November 2021: Added instructions for using Dovecot and Postfix with Let’s Encrypt. Also adjusted Postfix config to block auth attempts over port 25. This setup will get you 90%+ on mail server security tests. ————— ————— Update November 2020: If you’re on Ubuntu 20.04, these instructions still mostly work as written. There is […]

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