[Mailman-Users] Low level smtp error: Server not connected
Brad Knowles
brad at shub-internet.org
Mon Jun 4 06:55:46 CEST 2007
On 6/4/07, Leonard Jacobs wrote:
> Yes, I have stopped & restarted Mailman after each mm_cfg.py change and
> no, there are no anti-virus or other rejections with postfix.
> Additionally I am not running SELinux on this box.
I haven't checked the earlier messages in this thread -- I'm assuming
you have also done the stuff mentioned in FAQ 4.73 and 6.14?
> Now one clue that might be relevant is that when creating test lists and
> testing sending messages to beta users of these lists, all works fine.
> But as soon as the list contains the actual number of users, in one case
> 5,100 members, in another 350 members, the mailings to the subscribers
> fail with the error as listed above. And there is no obvious throttling
> on the Postfix MTA.
What is your "SMTP_MAX_RCPTS" setting? Check both Defaults.py and
mm_cfg.py. Also check the value of
"SMTP_MAX_SESSIONS_PER_CONNECTION". Then compare against their
companion values in your postfix configuration. If you don't define
the specific companion values in your /etc/postfix/main.cf, then you
may need to take a look at the output of "postconf -d" and look for
them.
See also the postfix documentation on these values, especially
<http://www.postfix.org/rate.html>.
--
Brad Knowles <brad at shub-internet.org>, Consultant & Author
LinkedIn Profile: <http://tinyurl.com/y8kpxu>
Slides from Invited Talks: <http://tinyurl.com/tj6q4>
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