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: [email protected] [mailto:[email protected]] On Behalf Of Frank Heydlauf Sent: Wednesday, March 31, 2010 5:52 PM To: [email protected] 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 -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/ -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
