>Number:         165
>Category:       bin
>Synopsis:       sendmail could lose mail on hung nameserver.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    gnats-admin (Utility Bug People)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Mar  9 21:50:02 1994
>Originator:     Bill Sommerfeld
>Organization:
>Release:        
>Environment:
	seen in sendmail 8.6.4; probably in 8.6.5, too..
System: NetBSD orchard.medford.ma.us 0.9a ORCHARD#3 i386

>Description:
	sendmail apparantly doesn't finish writing the queue file
	(thus committing the message into the queue) until
	after it resolves the names of the recipients.
	if named is hung, this could take a while (several minutes);
	in the interim, the system could crash (or be shut down) and
	the message is effectively lost..

>How-To-Repeat:
	unplug your system from the net
	kill & restart named (to clear the cache).
	mail -v someuser@some.other.host << EOF
	foo
	bar
	EOF 
	# note that it sits there for a while
	^Z
	mailq
	# note that the message shows up as "no queue file".

>Fix:
	Unknown at present time; probably should queue up message
	before attempting to do any action which could trigger a
	name resolution call.
>Audit-Trail:
>Unformatted:

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