$ sudo apt-get update
$ sudo apt-get install libkimap4 

libkimap4 is installed in your system.

Make ensure the libkimap4 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libkimap4 *

You will get with libkimap4 package name, version, architecture and description in a table

libkimap4 package basic information: