CRLF injection vulnerability in help.php in Russcom Network Loginphp allows remote attackers to spoof e-mails and inject MIME headers via CRLF sequences in the email address.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26250
http://www.securityfocus.com/bid/17787
http://www.securityfocus.com/archive/1/432729/100/0/threaded