Re: [exim] 421 Too many concurrent SMTP connections; please …

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Author: Paul Mwiu
Date:  
To: 'Frank Heydlauf', exim-users
Subject: Re: [exim] 421 Too many concurrent SMTP connections; please tryagain later.
Jean-Paul,

You can also try to increase your smtp_accept_max option if your are not
been hit by spammers e.g
smtp_accept_max = 50000

regards

Paul Mwiu

-----Original Message-----
From: exim-users-bounces@??? [mailto:exim-users-bounces@exim.org] On
Behalf Of Frank Heydlauf
Sent: Wednesday, March 31, 2010 5:52 PM
To: exim-users@???
Subject: Re: [exim] 421 Too many concurrent SMTP connections; please try
again later.

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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