[原文]** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: None. Reason: this candidate is solely about a configuration that does not directly introduce security vulnerabilities, so it is more appropriate to cover under the Common Configuration Enumeration (CCE). Notes: the former description is: "An SMTP service supports EXPN, VRFY, HELP, ESMTP, and/or EHLO."
Multiple Mail Server EXPN/VRFY/HELP/ESMTP/EHLO Information Disclosure
Remote / Network Access
Loss of Confidentiality
Multiple Mail Servers contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when certain SMTP commands are enabled, which will disclose sensitive information resulting in a loss of confidentiality.
Currently, there are no known upgrades, patches, or workarounds available to correct this issue.