SMTP unauthenticated 3rd-party mail relay (from percent)
10
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
01/01/1999
07/25/2018
11/01/2004
03/21/2018
Description
While your mailer rejects 3rd-party relay in some cases, it allows mail to be relayed if the client issues a "MAIL FROM:" command with an address consisting only of a single percent sign. This could be a configuration error, or a bug in the mail server.
Solution(s)
- smtp-disable-relay
Advanced vulnerability management analytics and reporting.
Key Features
- Lightweight Endpoint Agent
- Live Dashboards
- Real Risk Prioritization
- IT-Integrated Remediation Projects
- Cloud, Virtual, and Container Assessment
- Integrated Threat Feeds
- Easy-to-Use RESTful API
- Automation-Assisted Patching
- Automated Containment
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– Scott Cheney, Manager of Information Security, Sierra View Medical Center