If you use Thunderbird for email (and you should) you need to first [upgrade to version 1.5](http://www.mozilla.com/thunderbird/). Then you need to go [download this Extension](http://www.andrewlucking.com/archives/category/remember-mismatched-domains/) to get rid of the idiotic 'Domain Mismatch' error that by default in the new version you can't get rid of.

Tags: grommes, thunderbird, email