Add-ons for Thunderbird and SeaMonkey are now listed and maintained on addons.thunderbird.net. You can use the same account to update your add-ons on the new site.
Agora los complementos pa Thunderbird y SeaMonkey llístense y caltiénense en addons.thunderbird.net. Pues usar la mesma cuenta p'anovar los tos complementos nel sitiu nuevu.