[Mailman-Users] Low level smtp error: Server not connected

Tue May 29 12:21:16 CEST 2007

Thanks for your suggestion to read the FAQ and the associated list 
postings. I actually found those same postings and tried every 
suggestion in them that was relevant. Unfortunately nothing worked to 
resolve this annoying problem. There may be a setting that is incorrect 
and there may be something posted that explains this problem and 
provides a solution but so far I have not located anything that fixes it 
for me.

It is strange that a pretty vanilla installation, CentOS and Postfix 
with the latest Mailman version of 2.1.9 is so hard to configure and 
use. And this after using it on a CentOS 3 box but with frequent delays 
in sending and unusal errors. So moving the list was necessary but made 
the list totally unusable. I have heard from a few others with similar 
problems and no solution, so I know I am not the only user with these 
issues.

Any further suggestions would be appreciated.

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> Today's Topics:
>
>    1. Re: Low level smtp error: Server not Connected (Leonard Jacobs)
>    2. Re: Low level smtp error: Server not Connected (Brad Knowles)
>   
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: [Mailman-Users] Low level smtp error: Server not Connected
> From:
> Leonard Jacobs <ljacobs at shambhala.com>
> Date:
> Mon, 28 May 2007 10:06:37 -0400
> To:
> mailman-users at python.org
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> To:
> mailman-users at python.org
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>> ------------------------------------------------------------------------
>>
>> Today's Topics:
>>
>>    1.  Low level smtp error: Server not connected (Stephen J. Turnbull)
>>  
>> ------------------------------------------------------------------------
>>
>> Subject:
>> [Mailman-Users] Low level smtp error: Server not connected
>> From:
>> "Stephen J. Turnbull" <stephen at xemacs.org>
>> Date:
>> Sun, 27 May 2007 20:30:19 +0900
>> To:
>> ljacobs at shambhala.com
>>
>> To:
>> ljacobs at shambhala.com
>> CC:
>> mailman-users at python.org
>>
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>> list
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>> 1.0
>> References:
>> <7c5b3fd245874985b5fa1fa9049a7b2c at shambhala.com>
>> In-Reply-To:
>> <7c5b3fd245874985b5fa1fa9049a7b2c at shambhala.com>
>> Message-ID:
>> <871wh24i7o.fsf at uwakimon.sk.tsukuba.ac.jp>
>> Content-Type:
>> text/plain; charset=us-ascii
>> Message:
>> 1
>>
>>
>> Leonard Jacobs writes:
>>
>>  > "delivery to someone at gmail.com failed with code -1: (104,
>>  > 'Connection reset by peer')" I am also seeing many " Low level smtp
>>  > error: Server not connected, msgid" errors.
>>
>> This seems likely to be either a Postfix problem, or maybe you've
>> caught a social disease (ie, a bunch of big ISPs have decided you're a
>> spammer).  Either way, the first place to investigate is the Postfix
>> logs.
>>
>>   
> Wish it were so simple. There are no obvious errors in the postfix 
> maillog files. In fact postfix is receiving and sending messages fine, 
> just no mailman messages are getting delivered except for the response 
> to the list creator that the list was created and notifications to the 
> list posters that there is a message waiting to be reviewed. Once the 
> moderated poster's message is released from the queue, it triggers the 
> "server not connected" errors and never actually delivers any messages.
>
> Strange behavior and I would appreciate any other insights and 
> suggestions.
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>
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: [Mailman-Users] Low level smtp error: Server not Connected
> From:
> Brad Knowles <brad at shub-internet.org>
> Date:
> Mon, 28 May 2007 17:57:41 -0500
> To:
> Leonard Jacobs <ljacobs at shambhala.com>, mailman-users at python.org
>
> To:
> Leonard Jacobs <ljacobs at shambhala.com>, mailman-users at python.org
>
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> list
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> 1.0
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> <465AE1ED.5020508 at shambhala.com>
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> <465AE1ED.5020508 at shambhala.com>
> Message-ID:
> <p06240800c2810d24bbae@[192.168.1.66]>
> Content-Type:
> text/plain; charset="us-ascii" ; format="flowed"
> Message:
> 2
>
>
> On 5/28/07, Leonard Jacobs wrote:
>
>>  Wish it were so simple. There are no obvious errors in the postfix
>>  maillog files. In fact postfix is receiving and sending messages fine,
>>  just no mailman messages are getting delivered except for the response
>>  to the list creator that the list was created and notifications to the
>>  list posters that there is a message waiting to be reviewed. Once the
>>  moderated poster's message is released from the queue, it triggers the
>>  "server not connected" errors and never actually delivers any messages.
>
> Searching through the archives of the mailman-users list (in 
> accordance with FAQ 1.18) turns up a number of hits.  I did 
> <http://www.google.com/search?q=%22Server+not+connected%22+inurl:mail.python.org/pipermail/mailman-users/>, 
> but there are other searches that could also have been done.
>
> In the article at 
> <http://mail.python.org/pipermail/mailman-users/2005-August/046366.html>, 
> the problem was an inappropriate setting for SMTPPORT that needed to 
> be fixed in the mm_cfg.py file.
>
> Then there's the article at 
> <http://mail.python.org/pipermail/mailman-users/2005-September/046418.html>, 
> where Mark Sapiro points out essentially the same search, and other 
> issues that other people needed to resolve, in particular "setting 
> SMTP_MAX_SESSIONS_PER_CONNECTION to 1 and/or setting SMTP_MAX_RCPTS to 
> some small number."
>
> Then there's the article at 
> <http://mail.python.org/pipermail/mailman-users/2004-July/038047.html>, 
> and more than sixty others.
>
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