Seems fine if you can donate to Thunderbird development. Compared to Firefox, where I don't think it's possible to donate to development at all (only to Mozilla activism side).
Seems fine if you can donate to Thunderbird development. Compared to Firefox, where I don't think it's possible to donate to development at all (only to Mozilla activism side).
You can buy their Products. Afaik if you buy i.e. Firefox relay the revenue does not go to the foundation.
Edit: I just checked the Invoice, payment goes indeed to Mozilla Corporation, not the foundation.