Description
IBM AIX 5.2 and earlier distributes Sendmail with a configuration file (sendmail.cf) with the (1) promiscuous_relay, (2) accept_unresolvable_domains, and (3) accept_unqualified_senders features enabled, which allows Sendmail to be used as an open mail relay for sending spam e-mail.
References
- aix-sendmail-mail-relay(11993) vdb-entry
- 20030513 AIX sendmail open relay mailing-list
- 7580 vdb-entry
- http://security.sdsc.edu/advisories/2003.05.13-AIX-sendmail.txt
- VU#814617 third-party-advisory