I was digging around the Postfix site the other day and found this handy tip sheet for tuning up Postfix for performance.

I particularly like the techniques for dealing with SMTP connections that generate constant errors, limiting the number of connections a single SMTP client may make and also the add-in tools for simulating mail loads for performance testing.

Written By:

Blane Warrene

Blane is a writer and researcher focusing on Apple and Open Source technologies. Prior to this, he helped found a commercial software and consulting venture, and worked in the financial services sector as a director of technology and in varying technical roles. Blane maintains Open Sourcery: SitePoint's Open Source Blog.

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