I just tried a test upgrade from Squeezy to Wheezy on our ISPconfig3 mail server and it was an epic fail. Any one got this working? I could use some pointers.
Apparently the changes in Dovecot are major and manual changes in configuration files are needed.
Processing triggers for python-central ...
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)