For inquiries about the Cardbook Plugin:
cardbook @ cardbook.icu
For initial troubleshooting, see this page.
For problems with log-in, registration or this website in general:
webmaster @ cardbook.icu
Cardbook for Thunderbird – Forum
Forum for the fabulous Thunderbird extension
For inquiries about the Cardbook Plugin:
cardbook @ cardbook.icu
For initial troubleshooting, see this page.
For problems with log-in, registration or this website in general:
webmaster @ cardbook.icu