Undid the 'restored normal unix behavior' WRT sigpipe, since this cuased the server to crash; better to get stacktraces in individual threads and have the server keep running.
Undid the 'restored normal unix behavior' WRT sigpipe, since this cuased the server to crash; better to get stacktraces in individual threads and have the server keep running.

dpapathanasiou/intelligent-smtp-responder,dpapathanasiou/intelligent-smtp-responder