EMail Server Relay Check
From MediaWiki
Overview
The eMail Server Relay Check Tool is a simple security tool designed for testing email servers for signs of misconfiguration.
You can gain access to the eMail Server Relay Check page by selecting
NSTWUI > Network > email > eMail Server Relay Check
The tools checks for the following:
Open Relay Bounce Messages or Non-Delivery Reports (NRS's) Listings on DNS-based Realtime Blacklists
Optionally, it will also perform a quick port scan for open NETBIOS ports.
(this documentation is currently under development)