Rated 5 out of 5 stars

I use this addon since quite some months now and it has all the functions I miss at Thunderbird's address book.

Great!

There is just one issue: It is not possible to instruct Thunderbird's Junk filter not to mark mails from Cardbook addresses as junk as it is possible with addresses from Thunderbird's address book. So "good" mails get sorted out from time to time. Is it planned to implement this feature in the future?

In reply to Philippe: Oh, I was not aware of these possibilites of Thunderbird's filter. Now I filter the Cardbook addresses and set matches to "no junk" (filter runs before junk filter, of course). Thanks for pointing me to this!

This review is for a previous version of the add-on (17.6). 

I cannot override the junk filter and the quick filter bar because the job is done in C++ library... for the junk filter maybe you may create a filter to rearrange the moved emails...