Just a heads up that Rrao has updated the Google Translator Zimlet to use the new Google v2 API. As many know this is a paid API now.
Google Translator | Zimbra :: Gallery
===== from rrao ======
To purchase Google API key:
Login to Gmail
To understand billing: go to Pricing and Terms of Service - Google Translate API v2 - Google Code
To pay, go to https://code.google.com/apis/console#:billing (this is the "billing" link in the pricing.html page)
.. this will take you to their billing console. Use credit card and pay & enable Billing.
Click on API Access tab & you will see API KEY
PS: It looks like this API key could be used for many paid-apps (not sure).
Steps to update Zimlet:
Unzip the Zimlet say to ~/tmp/com_zimbra_gtranslator
Enter your Google API here: <property name="GOOGLE_TRANSLATE_API_KEY"></property>
Zip the Zimlet back..
~/tmp/com_zimbra_gtranslator/zip -r com_zimbra_gtranslator.zip *
Install the Zimlet