Developer reply by Philippe V.
Rated 1 out of 5 stars
La versión 71.1 no me deja validar mi cuenta de Gmail. Uso Thunderbird 91.0.3 bajo Windows
This review is for a previous version of the add-on (71.1). This user has other reviews of this add-on.works for me... may you contact me by email (cardbook (at) cardbook.icu) with screenshoots ?
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