{"id":"CVE-2005-0337","aliases":["DEBIAN-CVE-2005-0337","EUVD-2005-0338","GHSA-5rxq-6r3q-5xj6","RHSA-2005:152"],"status":"published","title":"Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled in...","description":"Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled in smtpd_recipient_restrictions, allows remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 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