by Mozilla · MPL-2.0
Thunderbird is a free email application that is easy to set up and customize - and it's loaded with great features!
These URLs are the ones Mozilla declares in its own manifest. We do not proxy or shorten them, and we do not host a copy.
Run this against the file on disk. If the output does not match the hash below, the file is not what Mozilla published. Delete it.
Windows · PowerShell
Get-FileHash "Thunderbird Setup 153.0.1.exe" -Algorithm SHA256macOS · Linux
shasum -a 256 "Thunderbird Setup 153.0.1.exe"Expected output
744a51965ae6fe36a7ec660d8c080fd108cca732e9aec3f9a31324321c6be1ca
| Signal | Finding | Points |
|---|---|---|
| SHA-256 hash published | 2 of 2 installers ship a SHA-256 hashWithout a published hash there is no way to prove the file you downloaded is the file the publisher built. | 30 / 30 |
| Binary provenance | 2 on a domain owned by the publisherThe strongest signal against a repackaged installer: the file should come from the publisher, not from a mirror nobody vouches for. | 35 / 35 |
| Served over HTTPS | 2 of 2 over HTTPSAn installer fetched over plain HTTP can be modified in transit. | 15 / 15 |
| Release recency | last release about 0 months agoSoftware that has not shipped in years accumulates unpatched vulnerabilities. | 15 / 15 |
| Licence declared | MPL-2.0A declared licence tells you what you are actually allowed to do with the software. | 5 / 5 |
Extensions Mozilla Thunderbird (en-US) registers itself to handle.
Every version with a published manifest, newest first. Useful when you need an older build for compatibility.