We have collected information about Postfix Delivery Delays for you. Follow the links to find out details on Postfix Delivery Delays.
https://serverfault.com/questions/24121/understanding-a-postfix-log-file-entry
Postfix feature # 20051103 added the following (from the 2.3.13 release notes): Better insight into the nature of performance bottle necks, with detailed logging of delays in various stages of message delivery.
https://serverfault.com/questions/848029/postfix-sending-emails-with-delay
I am running Ubuntu 16.04 on Amazon Lightsail. I just configures Postfix to send emails. If I send an email after a few hours the email is received instantly. If I send multiple emails at one the ...
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