[Dovecot] dovecot: pipe() failed: Too many open files

[Timo Sirainen]

On Wed, 2007-10-31 at 13:55 +0100, Ralf Hildebrandt wrote:
> I'm encountering lots of 
> Oct 31 11:14:25 postamt dovecot: pipe() failed: Too many open files
> errors around midday ever since the latest upgrade to 1.0.7.
> 
> The errors appear in pairs like this one:
> Oct 31 11:20:01 postamt dovecot: pipe() failed: Too many open files

You have too many login/auth/mail processes running and/or your ulimit
-n is too small.

I doubt any change in 1.0.6 or 1.0.7 itself caused this.

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