How to Buy
This script is Copyright (C) 2003-2013 Tenable Network Security, Inc.
An open SMTP relay is running on this port.
The remote SMTP server is insufficiently protected against relaying.
This means that it allows spammers to use your mail server to send
their mails to the world, thus wasting your network bandwidth.
Reconfigure your SMTP server so that it cannot be used as a relay
Risk factor :
High / CVSS Base Score : 7.8
Family: SMTP problems
Nessus Plugin ID: 11852 ()
Get Nessus Professional to scan unlimited IPs, run compliance checks & more
The cookie settings on this website are set to 'allow all cookies' to give you the very best website experience. If you continue without changing these settings, you consent to this - but if you want, you can opt out of all cookies by clicking below.