flim software package provides library about internet message for emacsen, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install flim
flim is installed in your system.
Make ensure the flim package were installed using the commands given below,
$ sudo dpkg-query -l | grep flim *
You will get with flim package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | |
| Package | flim |
| Version | 1:1.14.9+0.20120428-16 |
| Description | library about internet message for emacsen |
| Sub Section |