http://www.guninski.com/qmailcrash.html Georgi Guninski security advisory #65, 2004Lame crash in qmail-smtpd and memory overwrite according to gdb, yet still qmail much better than windows
Systems affected: qmail 1.03 on linux, don't know about other OSes. Risk: Unknown. maybe so, maybe no. Date: 15 January 2004