Thunderbird Gift FAQs
What is Thunderbird’s relationship to MZLA Technologies Corporation?
Thunderbird is a project of MZLA Technologies Corporation, which is a wholly owned subsidiary of Mozilla Foundation.
What are the ways I can give?
Why do you need my address in order to process a gift?
Can I give bitcoin?
We are not currently accepting bitcoin.
How can I turn off the appeal on the Thunderbird start page?
The start page appeal to donate can’t currently be turned off. If you like, you can change the start page to something else. To do this, in Thunderbird go to Options | General
How will my gift be used?
Thunderbird is the leading open source cross-platform email and calendaring client, free for business and personal use. Your gift will help ensure it stays that way, and will support future development.
Doesn’t Thunderbird earn income?
Currently, the majority of Thunderbird’s revenue comes from generous gifts from users and friends of Thunderbird.
Who gives to Thunderbird?
Anyone can give, companies and individuals, to Thunderbird to support development of the product now and in the future.
Does my gift give me access to tech support?
Anyone can access tech support for Thunderbird by visiting the support forum. Thunderbird does not provide tech support or enhanced tech support in exchange for financial gifts.
Is my gift tax deductible?
Gifts to Thunderbird are not tax-deductible, but are greatly appreciated. Giving to Thunderbird supports the development of our leading open source cross-platform email and calendaring client, free for business and personal use. Your gift will help ensure it stays that way, and will support future development.
How do I cancel or change my recurring gift?
If you used PayPal to set up a recurring gift, you’ll need to log in to your PayPal account to make changes or to cancel. If you made a monthly gift using your credit card, please contact to the Donor Care team via this form. Please include the email address and name you used to make your donation, and they’ll try to help you within two business days.