My documented Search for Free Software for IMAP Synchronisation

To dump / backup your IMAP Mail Folder to a local directory, there are some projects in the Ubuntu repositories:

looked for last changes on 2010-01-10

not yet in the repositories

more found on → SIMILAR SOFTWARES :

latest version may be on or on

The solution I took was offlineimap as it looked pretty mature to me and as development on the project continues.
I describe my setup of offlineimap here.