Author: Frank Heydlauf Date: To: exim-users Subject: Re: [exim] 421 Too many concurrent SMTP connections;
please tryagain 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.
