====== Filesystem notification initialization error — contact your mail administrator (check for configuration errors with the FAM/Gamin library) ======
This error can be seen in your mail client and is often caused by Courier. If you are the system administrator of the mail server, simply install libgamin as follows:
If you are root:
apt-get install gamin
If not:
sudo apt-get install gamin
Restart all of your courier services