About this Add-on
This has been tested with Firefox 22.214.171.124 and Thunderbird 126.96.36.199
This dictionary has been tested outside of the sandbox as well.
It has been available on the translate.org.za website for quite some time:
We have received favourable reports from all who used it, and no negative reports (yet).
Most users finds the review/rating process for sandbox addons confusing and daunting, so we generally get our feedback through email and word of mouth.