What Mozilla Thunderbird's terms say
Mozilla Thunderbird's terms of service and privacy policy have 7 rated points: 0 serious, 0 bad, 5 worth knowing and 2 good. 7 apply whenever you use the site, signed in or not; 0 only once you have an account.
Whenever you use Mozilla Thunderbird
Worth knowing 5
There is a date of the last update of the agreements
Where it says this ↗Third parties are involved in operating the service
Where it says this ↗Your IP address is collected, which can be used to view your approximate location
This service collects your IP address, which can be used to view your approximate location
Where it says this ↗This service gives your personal data to third parties involved in its operation
This service gives your personal data to third parties (Amazon Web Services) involved in its operation
Where it says this ↗Your personal data may be aggregated into statistics
Your personal data is aggregated into statistics
Where it says this ↗
Good 2
Information is provided about how your personal data is used
The service provides information about how they intend to use your personal data
Where it says this ↗The service is released as free software or open-source
The software is open-source
Thunderbird is open source project.
Where it says this ↗
If you have a Mozilla Thunderbird account
No account-only points rated.
The documents
Ratings by ToS;DR volunteers; they can lag behind the current terms. Not legal advice.