I have been looking into a case where a message has no recipient header
fields, to, cc or bcc.
Under these conditions EXIM 4.10, adds to the headers a blank BCC. Why?
I have included the test below.
John Linn
Message sent by hand (no recipient headers)
--------------------
Connected to mailhub1.abdn.ac.uk.
Escape character is '^]'.
220 mailhub1.abdn.ac.uk ESMTP Exim 4.10 Tue, 21 Jan 2003 10:40:57 +0000
HELO abdn.ac.uk
250 mailhub1.abdn.ac.uk Hello manager.abdn.ac.uk [139.133.216.223]
MAIL from: j.linn@???
250 OK
RCPT to: j.linn@???
250 Accepted
DATA
354 Enter message, ending with "." on a line by itself
from: j.linn@???
subject: test
data
.
250 OK id=18avqQ-0003UE-00
-------------------------------------------------------------------
message received (with blank Bcc)
----------------
>From j.linn@??? Tue Jan 21 10:46:49 2003
Received: from mailhub1.abdn.ac.uk ([139.133.7.28])
by mailserv.abdn.ac.uk with esmtp (Exim 3.16 #1)
id 18avqk-0000bX-00
for sys044@???; Tue, 21 Jan 2003 10:41:46 +0000
Received: from manager.abdn.ac.uk ([139.133.216.223] helo=abdn.ac.uk)
by mailhub1.abdn.ac.uk with smtp (Exim 4.10)
id 18avqQ-0003UE-00
for j.linn@???; Tue, 21 Jan 2003 10:41:43 +0000
from: j.linn@???
subject: test
Message-Id: <E18avqQ-0003UE-00@???>
Bcc:
Date: Tue, 21 Jan 2003 10:41:43 +0000
X-Scanner: http://www.abdn.ac.uk/diss/email/gateway.hti
*18avqQ-0003UE-00*wUtgBYXpFMk*
data
