[Dovecot] server is not imap4 compatible

[Timo Sirainen]

On Apr 21, 2009, at 9:28 AM, marco ghidinelli wrote:

> on the server, at the same time, i found this error:
>
> Apr 20 16:21:17 harlock dovecot: imap-login: Disconnected: Shutting  
> down: rip=192.168.0.194, lip=10.70.0.1, TLS handshake

"Shutting down" means that Dovecot really is being shut down or  
restarted. Is this not an expected restart? Does it happen at the same  
time always? Maybe it's some cron job.

> the server ran without problem until i upgraded from 1.0.rc15 to
> 1.0.15.
>
> after the upgrade i was forced to enhance the
> proc.sys.fs.inotify.max_user_instances = 1024
> because i had error messages about "Inotify instance limit for user
> exceeded"

The previous version probably didn't have inotify enabled.

> my question is:
> does the upgrade triggered a new way of communication between
> clients and server that exacerbates the problem of dropped
> connections from the DMZ server?

I think it's unlikely.