Do you need Google to compel the author to start a business relationship with them, which they can cut off at any time?
replyOr would you be OK knowing that Thunderbird you downloaded from https://thunderbird.net/ is signed by the thunderbird.net certificate owner?
Typo squatting is a thing, and so are Unicode homographs.
replyThe permissions approach isn't bad. I may trust Thunderbird for some things, but permission to read SMS and notifications is permission to bypass SMS 2FA for every other account using that phone number. It deserves a special gate that's very hard for a scammer to pass. The exact nature of the gate can be reasonably debated.
Something like Thunderbird might be an exception, but also domain confusion exists, so in the general case, most likely not because most users are susceptible to this.
replyshould I be confident that thunderbird.net is the real one, or could it be hosted at thunderbird.org, thunderbird.com, or thunderbird.mozilla.org?
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