We have collected information about Postfix Delivery Tuning for you. Follow the links to find out details on Postfix Delivery Tuning.
http://www.postfix.org/TUNING_README.html
Tuning the number of recipients per delivery. The default_destination_recipient_limit parameter (default: 50) controls how many recipients a Postfix delivery agent will send with each copy of an email message. You can override this setting for specific Postfix delivery agents.
https://wiki.list.org/DOC/MTA%20Performance%20Tuning%20Tips%20for%20Postfix
MTA Performance Tuning Tips for Postfix. ... As lists get larger, Postfix delivery with out-of-the box configuration really slows down. The bottlenecks I've found are queue length and number of SMTP processes, both of which default to values too small for large lists. I began noticing pretty severe rate limiting at about 10,000 deliveries on a ...
https://www.linux.com/news/postfix-performance-tuning/
May 19, 2005 · Postfix is fast out of the box, but like other packages, you can usually tune it to work even faster. Furthermore, there are situations where Postfix may not perform as well as you expected, whether because of hardware or software limitations on the server system or other adverse conditions, such as a big influx of spam or undeliverable mail.
https://www.linuxtopia.org/online_books/mail_systems/postfix_documentation/TUNING_README_008.html
Tuning the frequency of deferred mail delivery attempts. When a Postfix delivery agent ( smtp(8), local(8), etc.) is unable to deliver a message it may blame the message itself, or it may blame the receiving party. When the delivery agent blames the message, the queue manager gives the queue file a time stamp into the future, so it won't be looked at for a while.
https://www.linuxtopia.org/online_books/mail_systems/postfix_documentation/TUNING_README_006.html
Tuning the number of simultaneous deliveries. Although Postfix can be configured to run 1000 SMTP client processes at the same time, it is rarely desirable that it makes 1000 simultaneous connections to the same remote system. For this reason, Postfix has safety mechanisms in place to avoid this so-called "thundering herd" problem.
https://www.nixtree.com/blog/tuning-and-increasing-speed-in-postfix/
Dec 24, 2013 · in_flow_delay – Adjust interval for accepting new messages, when the message arrival rate exceeds the message delivery rate. With the default 50 Postfix SMTP server process limit, value 1s limits the mail inflow to 50 messages per second above the number of messages delivered per second. 3.
https://serverfault.com/questions/3250/where-can-i-find-tuning-resources-for-postfix-saslauthd-and-courier
Where can I find tuning resources for postfix, saslauthd and courier [closed] Ask Question ... The following will get you started on tuning Postfix, unfortunately, I wasn't able to find any real good documentation on SaslAuthD or Courier. ... Optimal settings for Postfix and optimizing a custom delivery script on a VPS. 4.
https://serverfault.com/questions/340926/postfix-tuning-for-high-amount
Postfix tuning for high amount. Ask Question Asked 8 years, 2 months ago. Active 8 years, 2 ... to some of the big internet sites (tons of GMail, for example), you will need to tune your settings for single-host delivery. Postfix should ramp itself up if it has a lot of email to the same domain, though. Investigate and let us know what you're ...
https://wiki.zimbra.com/wiki/Tuning_Postfix_Queue_Settings
zmlocalconfig -e postfix_queue_run_delay=<new value> zmlocalconfig -e postfix_minimal_backoff_time=<new value> Any Postfix settings you change can be preserved across upgrades by creating a local config entry named postfix_<postfix key> and setting its value.
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