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List:       exim-users
Subject:    Re: [exim] 421 Too many concurrent SMTP connections;
From:       Frank Heydlauf <fh-exim2003 () LF ! net>
Date:       2010-03-31 14:52:06
Message-ID: 20100331145206.GA414 () velo ! LF ! net
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On Wed, Mar 31, 2010 at 03:34:32PM +0100, Roger Burton West wrote:
> On Wed, Mar 31, 2010 at 10:17:35AM -0400, Jean-Paul natola wrote:
> > I'm hopin someone can help out here , people have been complaining over the last \
> > week that they cant send us email this is what they are recieng 421 Too many \
> > concurrent SMTP connections; please try again later. I'm getting TONS of these \
> > bounces,  and these are users that have always sent to us
> 
> Check the logs. Are you being hit by a high-volume spammer?

... and (if shouldn't have yet) add "+smtp_connection" to
log_selector in your config to monitor the connection count.

-- 
Regards
Frank 

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