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• How can I donate to support Thunderbird?

  Here are the donation methods we can accept and some special situations that ...

• Do you offer receipts?

  Where to find your donation receipts and information about special receipts o...

• How do you handle privacy and security for your donors?

  Your donations are always secure! Here are more details on how we honor your ...

• Do you offer refunds after cancellation?

  Yes, we offer refunds in most cases.RefundsYour donation may be eligible for ...

• Can you describe the difference between Thunderbird and MZLA Technologies?

  What is the relationship between the Thunderbird team, product, MZLA, and you...

• Frequently asked questions

  A collection of questions that we often see from donors that don't quite fit ...