dkimproxy software package provides an SMTP-proxy that signs and/or verifies emails, using the Mail::DKIM module, 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 dkimproxy
dkimproxy is installed in your system.
Make ensure the dkimproxy package were installed using the commands given below,
$ sudo dpkg-query -l | grep dkimproxy *
You will get with dkimproxy package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | |
| Package | dkimproxy |
| Version | 1.4.1-3 |
| Description | an SMTP-proxy that signs and/or verifies emails, using the Mail::DKIM module |
| Sub Section |