Secunia Security Advisory – HP has issued an update for sendmail. This fixes a vulnerability, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87630/sa39088.txt
Source: https://packetstormsecurity.com/files/87630/Secunia-Security-Advisory-39088.html