gross software package provides fast and efficient greylist server with DNSBL support, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gross
gross is installed in your system.
Make ensure the gross package were installed using the commands given below,
$ sudo dpkg-query -l | grep gross *
You will get with gross package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | |
| Package | gross |
| Version | 1.0.2-4 |
| Description | fast and efficient greylist server with DNSBL support |
| Sub Section |