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''Last changed on Thu Jan 20 23:38:21 2005 by'' Stan Schwarz<<BR>> Converted from the Mailman FAQ Wizard Converted from the Mailman FAQ Wizard

6.5. MTA Performance Tuning Tips for Qmail

The 'big knob' for turning up the speed in Qmail is the setting in 'concurrencyremote', which typically lives in /var/qmail/control. The default value is something like 20, and you can turn it up as high as 120 in a default installation. If you need to go faster, there is a 'big concurrency' patch for Qmail that will allow it to be set higher. I have some mail servers that have it set to 250 for delivering email notifications for earthquakes. They typically manage between 1,000-1,500 deliveries per minute when running at full speed.

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This is one of many Frequently Asked Questions.

MailmanWiki: DOC/MTA Performance Tuning Tips for Qmail (last edited 2015-01-31 02:36:58 by msapiro)