Use Spam for Localization Test Data
If you need to rapidly test an application in a language that you don't speak, use your (clean) spam email messages to create input data. Once you have selected several appropriate spam emails, run them through an online translation service such as Google Translate or Babelfish. Translate from the language you work with into the language you need to test with, and save the output as input data. This will work for rapid, superficial testing, and has the added benefit of prompting a few chuckles from the native speaking tester who comes after you.