Made script for automatic evolution-ews plugin install.
By default ubuntu 12.04 uses evolution 3.2.3 and there are no evolution-ews package in repository.
Use evolution-ews plugin the same version as Your evolution mail client version.
If You want to compile and edit configuration file manualy, script automates everything that is written in this post:
Adding MS exchange compability with evolution-ews in ubuntu 12.04
chmod +x evolution-ews-3.2.3-install.sh
Saved lots of time?