Contributions go to the Mozilla Foundation, a 501(c)(3) organization based in Mountain View, California, to support Thunderbird. They are tax-deductible in the U.S. to the fullest extent permitted by law.
Tiwsi ad tettunefk i Tesveddit Mozilla, tudsa 501(c)(3) id-yezgan deg Mountain View di Kalifurnya, ad ɛiwnen yis-s  Thunderbird. Tiwsi-a ad d-tettwakkes seg tebzart deg U.S s wazal is-d-iḥud usaḍuf.