Postfix Delay Warning Time Hours

Postfix Configuration Parameters

http://www.postfix.org/postconf.5.html

See also: delay_warning_time. This feature is available in Postfix 3.0 and later. connection_cache_protocol_timeout (default: 5s) Time limit for connection cache connect, send or receive operations. The time limit is enforced in the client. This feature is …

How to configure postfix to resend soft bounces after X …

https://serverfault.com/questions/114267/how-to-configure-postfix-to-resend-soft-bounces-after-x-hours-on-debian

delay_warning_time (default: 0h) The time after which the sender receives the message headers of mail that is still queued. To enable this feature, specify a non …

How to Configure Custom Postfix Bounce Messages

https://howtoforge.com/configure-custom-postfix-bounce-messages/

Postfix Performance Tuning

https://www.postfix.org/TUNING_README.html

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 …

Postfix sending emails with delay - Server Fault

https://serverfault.com/questions/848029/postfix-sending-emails-with-delay

Your Postfix configuration is ok for a stand-alone SMTP server, but the mail.log shows what is happening: after you reach the limitation, SMTP connections gets …

How To Configure Custom Postfix Bounce Messages

https://www.cafayate.net/blog/tech-blog-4/how-to-configure-custom-postfix-bounce-messages-15307

delay_warning_time_suffix: Expands into the value of the delay_warning_time parameter, expressed in the time unit specified by suffix, which is …

Setting short minutes in delay_warning_time triggers warning

https://www.mail-archive.com/[email protected]/msg86129.html

Setting short minutes in delay_warning_time triggers warning Dominic Raferd Wed, 11 Mar 2020 01:17:24 -0700 Using postfix 3.3.0 I recently set, in main.cf, …

Configuring retry duration in Postfix – JRS Systems: the …

https://jrs-s.net/2013/04/17/configuring-retry-duration-in-postfix/

If you want to reconfigure Postfix to something a little more in tune with modern sensibilities, add the following to /etc/postfix/main.cf near the top: # if you can't …

postfix - Delayed outgoing mail in active queue - Stack …

https://stackoverflow.com/questions/48171367/delayed-outgoing-mail-in-active-queue

I am running postfix 3.1.0, and dovecot 2.2.22 on Ubuntu 16.04. Also, I used iRedMail scripts for the installation. I can see from /var/log/mail.log that the mail is being …

Re: Setting short minutes in delay_warning_time triggers warningu

https://www.mail-archive.com/[email protected]/msg86136.html

I add to main.cf: > # match text in delay message to the setting delay_warning_time = 15m > delay_warning_time_hours = 0.25 It goes in the bounce template. Please read …