Comment 16 for bug 754321

for oneiric and precise please try 003 packages from this ppa: https://launchpad.net/~asac/+archive/sandbox/+packages

if you dont know how, use this:

 sudo add-apt-repository ppa:asac/sandbox
 sudo apt-get update
 sudo apt-get install desktop-webmail

verify that you use a 003 based version using:
 dpkg -l desktop-webmail

please confirm that this makes this issue go away for you.