Re: [Dovecot] SYN flooding / pipe() failed: Too many open files

On Thu, 2007-12-13 at 14:15 +0100, Frank Elsner wrote:

| Dec 13 13:48:28 mailbox dovecot: pipe() failed: Too many open files .. login_max_processes_count: 512

One fd is required for each child process. Your ulimit -n was probably too low when starting Dovecot. v1.1 warns about this at startup.