Check or Attack Name: qmailrecipient

A vulnerability exists within Qmail that could render the server unusable. By sending a RCPT command to the server with an extremely large number of recipients it is possible to cause the Qmail server to exhaust all the system's resources and crash.

Upgrade your version of Qmail to 1.02 or later.

QMAIL Mailing List, qmail-dos-2.c, another denial of service attack, http://www.ornl.gov/its/archives/mailing-lists/qmail/1997/06/msg00322.html

Qmail Home Page, qmail: a replacement for sendmail, http://www.qmail.org/top.html