Our software library provides a free download of GrayWall 1.2.1. This free program is an intellectual property of Ararat s.r.o. The most recent setup file that can be downloaded is 973 KB in size. The most popular versions of the GrayWall 1.2 and 1.0. Our built-in antivirus scanned this download and rated it as 100% safe. The program lies within Internet & Network Tools, more precisely Network Tools.
From the developer:
This is a program that adds a grey list feature to the Mercury/32 SMTP server and it uses the Mercury/32 API facility. It accepts some incoming SMTP sessions and rejects others according to certain conditions and authorized connections, or connections from specified IP addresses, are not affected by Graywall.
You may want to check out more software, such as HTTP-Tunnel Client, Remote Asset Tracker or RAS Monitor, which might be similar to GrayWall.