[Dovecot] Connection queue full on dovecot 1.1.14 and 1.1.15

[Timo Sirainen]

On Thu, 2009-05-28 at 09:36 +0200, Sven Eulberg wrote:
> Hello,
> 
> sometimes we get the following errors on out dovecot proxies:
> 
> dovecot: May 27 20:06:10 Info: imap-login: Disconnected: Connection  
> queue full (no auth attempts): REMOTE=<IP> LOCAL=<IP> TLS handshaking

Oh, so my potential fix didn't fix this after all. It's an annoying bug
which happens when login process reaches login_max_connections. So
instead of

> login_processes_count: 10
> login_max_processes_count: 256

rather keep the login_processes_count small, like the number of CPUs you
have or maybe +1 more. And rather increase the login_max_connections.

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