Aug 22, 2026
Fix "Email in this signature doesn't match the committer email" on GitHub
GitHub verifies signatures by checking if the email inside your GPG key matches both your Git local config AND your registered GitHub email address.
Check your active Git email with git config user.email.
Inspect your GPG key identities using gpg --list-secret-keys --keyid-format=long.
Add the missing email identity to your key:
Run gpg --edit-key YOUR_KEY_ID, type adduid, and enter your exact GitHub email address.
Type save, then re-export your updated public key block (gpg --armor --export YOUR_KEY_ID).
Update the GPG key on GitHub Settings → SSH and GPG keys, and your next commit will display the green Verified badge.
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