Re: [exim] Bug#457096: bounce all not half

>> Can't we have the following error stop the message in its tracks,
>> instead of sending still to half the recipients?
>> ==============
>> A message that you sent contained one or more recipient addresses that
>> were incorrectly constructed:
>> <rr@???> "failee": malformed address: "failee" may not follow <rr@???>

http://bugs.debian.org/457096