Jaroslaw Grzabel wrote:
Hi,
I'm struggling with new SMTP server and I noticed that sometimes it just
hangs because of:
Jul 2 14:14:21 smtp postfix/master[17716]: warning: service "smtp" (25)
has reached its process limit "50": new clients may experience
noticeable delays
Jul 2 14:15:06 smtp postfix/master[17716]: warning: to avoid this
condition, increase the process count in master.cf or reduce the service
time per client
type in:
# postconf -e default_process_limit=100
and then
# postfix reload
The problem is when it happens I can't do nothing just reload postfix.
Running postfix reload when postfix is busy just makes things
worse. Clear the clog, then flush.
Is there any way to sort it out ? I increased that value now, but for me
it's not solving my problem because instead of increasing that I would
rather like to postfix struggles with with on its own somehow by reload
configuration or ... I don't know.
Your mailserver receives more connections than postfix is
configured to accept. Increase the number of connections
allowed by increasing default_process_limit.
Maybe is there any timeout to setup, because after that when I took a
look at netstat it showed me a lot of connections from 127.0.0.1
(greylisting daemon).
No, the problem is more incoming connections than postfix is
configured to accept.
Thank you for any help in advance.
Regards,
Jarek
Look at http://www.postfix.org/documentation.html under the
"Problem Solving" section.
-- Noel Jones