libetpan17 software package provides mail handling library, 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 libetpan17
libetpan17 is installed in your system.
Make ensure the libetpan17 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libetpan17 *
You will get with libetpan17 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libetpan17 |
| Version | 1.6-1build1 |
| Description | mail handling library |
| Sub Section | Libs |