On Sun, Aug 19, 2007 at 02:55:11PM -0700, John Thomas wrote: > Any suggestions to help me troubleshoot a "killed by signal 11" problem > with Postfix? I've Googled and fiddled, but cannot figure it out. I > have no idea where to look/start. Try running a memory test (memtest86) on the machine. One of the standard "this machine has hardware problems" indicators is gcc dieing with signal 11. Maybe your postfix instance is being affected. -- rgds Stephen