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Postfix

By Greg Nowak, 3 December, 2020

Sending Mail from a Linux Server with Postfix: A Reliable, Relay-First Setup

Set up Postfix as a secure outbound mail service using an SMTP relay, then test delivery, authentication, DNS, logs, and queue health.

Enable TLS on a Linux Mail Server Without Breaking Delivery

Configure Postfix and Dovecot TLS without disrupting email delivery, then automate certificate reloads and verify DNS, authentication, and every exposed port.

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