RITLabs The Bat! before 3.0.0.15 displays certain important headers from encapsulated data in message/partial MIME messages, instead of the real headers, which is in violation of RFC2046 header merging rules and allows remote attackers to spoof the origin of e-mail by sending a fragmented message, as demonstrated using spoofed Received: and Message-ID: headers.
lists.grok.org.uk/pipermail/full-disclosure/2006-February/041973.html
secunia.com/advisories/18713
www.security.nnov.ru/advisories/thebatspoof.asp
www.securityfocus.com/archive/1/424129/100/0/threaded
www.securityfocus.com/bid/16515
exchange.xforce.ibmcloud.com/vulnerabilities/24535
www.ritlabs.com/bt/bug_view_advanced_page.php?bug_id=0003029