Web Reference: By default, Postfix has a moderately restrictive approach to mail relaying. Postfix forwards mail only from clients in trusted networks, from clients that have authenticated with SASL, or to domains that are configured as authorized relay destinations. The applications team is not willing to modify these test systems to control the email targets, so we need the SMTP relay or smarthost to only deliver to the approved domain. Based on this analysis, configuring Postfix to relay mail through a dedicated smart host should clearly be a best practice for any higher volume mail server. Now let‘s dive into how to set up Postfix to use a relayhost for all outbound mail.
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Devops Sysadmins Complicated Postfix Relay Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $64M - $72M
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Last Updated: April 11, 2026
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