Chip Rosenthal

The Mrsh software allows users to run remote commands on numerous hosts simultaneously for efficient management.

Pxytest is a tool for checking a host for open proxies that can be exploited by spammers. It functions via command line interface.

Uucpm software offers networked uucp services to older systems without such capability.

BLQ is a Perl script that can query multiple lists, including MAPS RBL and MAPS DUL.

Rlytest software tests hosts for third-party email relaying abilities.